LFBK table — Supplier Bank Details

LFBK stores bank accounts maintained for classic vendor or supplier master records. Each row must be interpreted using the complete technical key and the application process that writes it. A consultant should first establish whether the row represents current state, a dated master-data slice, a document item, a history event, an index entry or a compatibility representation. Organizational levels, validity dates, fiscal years, ledgers, languages, statuses and sequence numbers are part of the grain whenever those dimensions exist. The table should be read as evidence of application behavior, not as an isolated spreadsheet. Confirm the owning business object and configuration before deciding that a value is wrong.

Vendor number and bank country/key/account attributes identify supplier bank details. A vendor can hold several bank accounts; presence of a bank record alone is not authorization to use it for a payment run.

Relate the supplier key to the appropriate supplier master or Business Partner/CVI mapping. Do not join only on bank account number: country, bank key and partner context can be necessary to distinguish accounts.

For a failed payment, start from the payee and payment method, then inspect the relevant LFBK bank detail and the vendor/BP bank-data synchronization path. Avoid displaying full bank details in support screenshots or exporting them without authorization.

Take one reproducible example from the relevant SAP screen, report or application log. Record its full displayed key, organizational context, key date, language and status. Locate the matching LFBK row using those values, then follow the documented parent and child joins without dropping key components. Compare the result using the same key date and ledger. When values differ, test for leading-zero conversion, multiple validity slices, inactive history, parallel ledgers, fiscal-year boundaries, archived data and asynchronous replication. Save the read-only evidence before escalating. If the row is wrong, reproduce the maintenance path in a non-production system and route the fix to the application owner rather than changing the table.

S/4HANA uses Business Partner as the leading supplier master. Supplier bank details maintained in BP can be synchronized into LFBK for compatibility and operational use. Diagnose inconsistencies through Business Partner and CVI before changing classic vendor tables.

Accounts payable and vendor-master governance own verification of payment instructions. Security and compliance oversee sensitive bank-data access; integration specialists investigate failed BP/customer-vendor synchronization.

Review LFBK with its connected SAP objects rather than in isolation. The main related objects in this draft are L, F, A, 1, |, B, N, K, A, |, B, U, T, 0, 0, 0. Relationship direction and cardinality depend on the full key and application context, so every graph link should be used as a navigation aid and confirmed against the installed release before it becomes production extraction logic.