SAP diagnostics & engineering

Tools that close real SAP tickets.

Find the right check, decode an error or plan your next step. See each tool’s access and result before you open it.

28 tools + 4 references
23 free with no sign-in
8 task categories
Functional and technical

Need an SAP system to practise on?Official free and trial options, with hands-on exercises for SD, MM, FICO and ABAP.

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Fix a production issue

For the ticket in front of you right now. · 12 tools

ST22 Dump DecoderFree to tryPaste a short dump and get the root cause, the affected object and a safe fix path.Short dump text → root cause and fix pathYou giveShort dump textYou getroot cause and fix pathLimited daily AI diagnoses
How it works · example & steps
Paste a short dump and get the root cause, the affected object and a safe fix path.
Input: Short dump text
Expected output: root cause and fix path
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Limited daily AI diagnoses
Visual ST22 Dump ReconstructorFree NewSee the call stack, the exact crash line and empty values from a short dump, then hear a 60-second spoken brief.Short dump text → visual crash map and audio briefYou giveShort dump textYou getvisual crash map and audio briefVisual view in your browser; natural voice when signed in
How it works · example & steps
See the call stack, the exact crash line and empty values from a short dump, then hear a 60-second spoken brief.
Input: Short dump text
Expected output: visual crash map and audio brief
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Visual view in your browser; natural voice when signed in
Issue CopilotFree to tryDescribe any failing SAP process and work through root causes, checks and a safe fix.Issue description → ranked root causes and checksYou giveIssue descriptionYou getranked root causes and checksLimited AI analyses; account and plan limits apply
How it works · example & steps
Describe any failing SAP process and work through root causes, checks and a safe fix.
Input: Issue description
Expected output: ranked root causes and checks
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Limited AI analyses; account and plan limits apply
Authorization Error DecoderFreeTurn an SU53 or ST01 failure into a least-privilege role request your security team can approve.SU53 output → role request to sendYou giveSU53 outputYou getrole request to send
How it works · example & steps
Turn an SU53 or ST01 failure into a least-privilege role request your security team can approve.
Input: SU53 output
Expected output: role request to send
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
IDoc Incident DoctorFreeFind the failing layer behind IDoc status 51, 56 or 64 — segment, partner profile or payload.IDoc status and message → failing layer and next checkYou giveIDoc status and messageYou getfailing layer and next check
How it works · example & steps
Find the failing layer behind IDoc status 51, 56 or 64 — segment, partner profile or payload.
Input: IDoc status and message
Expected output: failing layer and next check
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
SAP Error Message DecoderFree NewTurn a message class and number into the area that raised it, its long text and the first checks.Message no. (e.g. M8147) → owning area, checks and code routeYou giveMessage no. (e.g. M8147)You getowning area, checks and code routeDecoded in your browser; no sign-up
How it works · example & steps
Turn a message class and number into the area that raised it, its long text and the first checks.
Input: Message no. (e.g. M8147)
Expected output: owning area, checks and code route
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Decoded in your browser; no sign-up
SAP Error Code LookupFreeSearch every IDoc status code with its meaning and the first check to run.A status or error code → meaning and first checkYou giveA status or error codeYou getmeaning and first check
How it works · example & steps
Search every IDoc status code with its meaning and the first check to run.
Input: A status or error code
Expected output: meaning and first check
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Transport Pre-Flight CheckFreeCatch missing dependencies and sequence problems before an STMS import returns RC 8.Transport object list → dependency and sequence warningsYou giveTransport object listYou getdependency and sequence warnings
How it works · example & steps
Catch missing dependencies and sequence problems before an STMS import returns RC 8.
Input: Transport object list
Expected output: dependency and sequence warnings
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
RFC / Queue Incident DecoderFreeRead SM58, SMQ1 or SMQ2 errors and find the next checks before retrying a call or queue.RFC status and log → evidence and recovery checklistYou giveRFC status and logYou getevidence and recovery checklist
How it works · example & steps
Read SM58, SMQ1 or SMQ2 errors and find the next checks before retrying a call or queue.
Input: RFC status and log
Expected output: evidence and recovery checklist
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Background Job Failure AnalyzerFreeCheck an SM37 log for runtime, authorization, lock, file and spool failure patterns.Job state and log → matched checks and ticket summaryYou giveJob state and logYou getmatched checks and ticket summary
How it works · example & steps
Check an SM37 log for runtime, authorization, lock, file and spool failure patterns.
Input: Job state and log
Expected output: matched checks and ticket summary
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
CPI/BTP Incident WorkbenchFree NewConnect an integration error with destination and Cloud Connector settings, then collect the next checks.Log and settings → observed conflicts, unknowns and handoverYou giveLog and settingsYou getobserved conflicts, unknowns and handoverLocal checks; up to 20,000 log characters
How it works · example & steps
Connect an integration error with destination and Cloud Connector settings, then collect the next checks.
Input: Log and settings
Expected output: observed conflicts, unknowns and handover
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Local checks; up to 20,000 log characters
Fiori App TroubleshooterFree NewTile missing, "could not open app", blank screen or no data — the checks in the right order.Symptom + error text → ordered checks across role, service and cacheYou giveSymptom + error textYou getordered checks across role, service and cacheRuns in your browser; no sign-up
How it works · example & steps
Tile missing, "could not open app", blank screen or no data — the checks in the right order.
Input: Symptom + error text
Expected output: ordered checks across role, service and cache
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Runs in your browser; no sign-up

Functional configuration checks

Pricing, account determination and e-invoicing, decoded. · 3 tools

SD Pricing Analysis DecoderFree NewRead the pricing analysis and see why each condition was missing, skipped or not applied.VA03 pricing analysis → cause per condition type and the checkYou giveVA03 pricing analysisYou getcause per condition type and the checkDecoded in your browser; no sign-up
How it works · example & steps
Read the pricing analysis and see why each condition was missing, skipped or not applied.
Input: VA03 pricing analysis
Expected output: cause per condition type and the check
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Decoded in your browser; no sign-up
Account Determination FinderFree NewDecode "Account determination for entry … not possible" into the missing OBYC or VKOA entry.Error text + movement type → missing entry, keys and checksYou giveError text + movement typeYou getmissing entry, keys and checksDecoded in your browser; no sign-up
How it works · example & steps
Decode "Account determination for entry … not possible" into the missing OBYC or VKOA entry.
Input: Error text + movement type
Expected output: missing entry, keys and checks
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Decoded in your browser; no sign-up
India E-Invoice JSON ValidatorFree NewPre-check e-invoice JSON for the errors that block IRN generation: GSTIN, tax split, HSN and totals.IRP JSON (schema 1.1) → blocking errors and checksYou giveIRP JSON (schema 1.1)You getblocking errors and checksChecked in your browser; nothing is uploaded
How it works · example & steps
Pre-check e-invoice JSON for the errors that block IRN generation: GSTIN, tax split, HSN and totals.
Input: IRP JSON (schema 1.1)
Expected output: blocking errors and checks
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Checked in your browser; nothing is uploaded

Data & reconciliation

Compare exports and trace differences to the original records. · 1 tool

SAP Export Reconciliation WorkbenchFree NewCompare SAP exports by business key, inspect changed values and trace duplicates back to their source rows.CSV, TSV or values-only XLSX → discrepancies and evidence workbookYou giveCSV, TSV or values-only XLSXYou getdiscrepancies and evidence workbookLocal processing; 10 MiB and 20,000 rows per dataset
How it works · example & steps
Compare SAP exports by business key, inspect changed values and trace duplicates back to their source rows.
Input: CSV, TSV or values-only XLSX
Expected output: discrepancies and evidence workbook
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Local processing; 10 MiB and 20,000 rows per dataset

Look up and practise

Check a detail in seconds, or build the skill. · 4 tools

SAP Incident LabFree account NewWork realistic support tickets: choose your checks, commit to a root cause and a safe fix, and get scored against a senior's path.Your checks and decisions → score out of 100 and a senior debriefYou giveYour checks and decisionsYou getscore out of 100 and a senior debriefFirst ticket open; sign in for the rest
How it works · example & steps
Work realistic support tickets: choose your checks, commit to a root cause and a safe fix, and get scored against a senior's path.
Input: Your checks and decisions
Expected output: score out of 100 and a senior debrief
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
First ticket open; sign in for the rest
SAP Object LibraryFreeLook up SAP tables, transaction codes, BAPIs, dumps and messages in plain language.An SAP object name → what it is and how to use itYou giveAn SAP object nameYou getwhat it is and how to use it
How it works · example & steps
Look up SAP tables, transaction codes, BAPIs, dumps and messages in plain language.
Input: An SAP object name
Expected output: what it is and how to use it
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Cheat SheetsFreeFast reference cards for ABAP, RAP, CDS and OData syntax.A topic → one-page syntax referenceYou giveA topicYou getone-page syntax reference
How it works · example & steps
Fast reference cards for ABAP, RAP, CDS and OData syntax.
Input: A topic
Expected output: one-page syntax reference
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Code LabFree accountPractise ABAP, RAP and CDS hands-on with guided feedback on every attempt.Your ABAP code → explanation, bugs and improvementsYou giveYour ABAP codeYou getexplanation, bugs and improvementsSign in; daily AI analysis limit
How it works · example & steps
Practise ABAP, RAP and CDS hands-on with guided feedback on every attempt.
Input: Your ABAP code
Expected output: explanation, bugs and improvements
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Sign in; daily AI analysis limit

Design and estimate

Turn a requirement into a design and a defensible effort range. · 3 tools

WRICEF Effort EstimatorFree to tryDescribe a report, interface, form or enhancement and get a person-day range by phase.Requirement → person-day range by phaseYou giveRequirementYou getperson-day range by phaseLimited guest runs; monthly account allowance
How it works · example & steps
Describe a report, interface, form or enhancement and get a person-day range by phase.
Input: Requirement
Expected output: person-day range by phase
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Limited guest runs; monthly account allowance
Test Case & UAT GeneratorFree to tryTurn a requirement into happy-path, negative and authorization test cases with T-codes and steps.Requirement → test cases in ExcelYou giveRequirementYou gettest cases in ExcelLimited guest runs; monthly account allowance
How it works · example & steps
Turn a requirement into happy-path, negative and authorization test cases with T-codes and steps.
Input: Requirement
Expected output: test cases in Excel
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Limited guest runs; monthly account allowance
Technical Design CopilotFree accountTurn a requirement into a structured technical design with risks and test scenarios.Functional requirement → technical design draftYou giveFunctional requirementYou gettechnical design draftSign in; shares your Copilot AI allowance
How it works · example & steps
Turn a requirement into a structured technical design with risks and test scenarios.
Input: Functional requirement
Expected output: technical design draft
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Sign in; shares your Copilot AI allowance

Build tools (BTP & Integrations)

CPI scripts and OData queries without looking up the syntax. · 2 tools

CPI Groovy Script GeneratorFreeClean Groovy for the CPI Script step: headers, XML and JSON payloads, logging and errors.Your names → ready .groovy scriptYou giveYour namesYou getready .groovy script
How it works · example & steps
Clean Groovy for the CPI Script step: headers, XML and JSON payloads, logging and errors.
Input: Your names
Expected output: ready .groovy script
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
OData Query BuilderFreeBuild V2 or V4 $filter, $select and $expand queries and copy the URL, CPI options or an ABAP sample.Entity and filters → query URLYou giveEntity and filtersYou getquery URL
How it works · example & steps
Build V2 or V4 $filter, $select and $expand queries and copy the URL, CPI options or an ABAP sample.
Input: Entity and filters
Expected output: query URL
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.

Prepare for S/4HANA

Find what breaks before the upgrade does. · 3 tools

Clean Core Code CheckFreeCheck custom ABAP against S/4HANA data-model changes and clean core rules before an upgrade.Custom ABAP code → S/4HANA findings by lineYou giveCustom ABAP codeYou getS/4HANA findings by line
How it works · example & steps
Check custom ABAP against S/4HANA data-model changes and clean core rules before an upgrade.
Input: Custom ABAP code
Expected output: S/4HANA findings by line
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
S/4HANA Readiness CheckFreeA two-minute, ten-question quiz that shows your S/4HANA score and weak areas.10 answers → score, weak areas and next stepsYou give10 answersYou getscore, weak areas and next steps
How it works · example & steps
A two-minute, ten-question quiz that shows your S/4HANA score and weak areas.
Input: 10 answers
Expected output: score, weak areas and next steps
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
S/4HANA Migration SimulatorFree accountWork real decision scenarios on CVI, compatibility views and clean core.Your decisions → consequences and an architect's viewYou giveYour decisionsYou getconsequences and an architect's viewFirst scenario open; sign in for the rest
How it works · example & steps
Work real decision scenarios on CVI, compatibility views and clean core.
Input: Your decisions
Expected output: consequences and an architect's view
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
First scenario open; sign in for the rest

Grow your SAP career

Score your resume, check your skills and find openings. · 4 tools

SAP Job MatchFree NewPaste an SAP job description and see the must-have skills, your fit score, likely interview questions and a 7-day prep plan.Job description → fit score, questions and prep planYou giveJob descriptionYou getfit score, questions and prep planAnalysed in your browser; no sign-up
How it works · example & steps
Paste an SAP job description and see the must-have skills, your fit score, likely interview questions and a 7-day prep plan.
Input: Job description
Expected output: fit score, questions and prep plan
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Analysed in your browser; no sign-up
SAP Resume ScoreFree to tryScore your SAP resume for keywords, measurable impact, role clarity and ATS readability.Resume text → score out of 100 and fixesYou giveResume textYou getscore out of 100 and fixesLimited daily AI scores
How it works · example & steps
Score your SAP resume for keywords, measurable impact, role clarity and ATS readability.
Input: Resume text
Expected output: score out of 100 and fixes
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
Limited daily AI scores
SAP Skill AssessmentFreeA five-minute technical self-check with a readiness score and a practice path.Your answers → score and topic breakdownYou giveYour answersYou getscore and topic breakdown
How it works · example & steps
A five-minute technical self-check with a readiness score and a practice path.
Input: Your answers
Expected output: score and topic breakdown
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.
SAP Jobs HubFreeOpen official SAP job searches at top employers, picked by module.A module → employer job searchesYou giveA moduleYou getemployer job searches
How it works · example & steps
Open official SAP job searches at top employers, picked by module.
Input: A module
Expected output: employer job searches
How to start: Open the tool, provide the input above and review its results before applying changes in SAP.

Free: open access. Free to try: limited free usage. Free account: sign-in needed for the full tool. Individual cards explain AI limits; current allowances appear inside each tool.

— SAP Tracks

34 SAP tracks — technical, functional and cloud

Find your module below. Every track has lessons, interview questions and practice tests — 2,146 lessons, 10,530 interview questions and 7,414 practice questions in total. Depth differs by track.

Technical & Platform

16 tracks

Functional / Process

10 tracks

Data & Cloud Suite

8 tracks

View all SAP tracks with full counts