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IDoc port

IDoc port is not defined or invalid

Outbound IDoc dispatch fails because the control record/partner profile refers to a missing or invalid port.

Quick answer

Most likely cause
WE21 port was not created or transported in the target system.
Check first
WE02 control record port and status text.
First resolution step
Assign/create the intended port through integration configuration.

Likely root causes

  1. WE21 port was not created or transported in the target system.
  2. Partner profile references the wrong port.
  3. RFC/file/XML port configuration points to an invalid destination/path.

What to inspect

  1. WE02 control record port and status text.
  2. WE20 outbound parameter assigned port.
  3. WE21 port definition and linked RFC/file settings.
  4. SM59 when the port uses RFC.

Resolution path

  1. Assign/create the intended port through integration configuration.
  2. Correct the linked RFC/file destination if the port exists but is invalid.
  3. Avoid changing control records manually as a permanent fix.
  4. Redispatch/reprocess after connectivity and port configuration are validated.

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