How To Fix WS571 - Table entry T_YKOMLFK is missing (internal error, transaction abandoned)

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 571

• Message text: Table entry T_YKOMLFK is missing (internal error, transaction abandoned)

What causes this issue?

Document &V1& has been changed. You must check if subsequent processing
is required for the document (for example, should data be updated to LIS
and BW). To determine this, you must check the status of the document
before and after changes have been made.
The previous status for the document has not been passed to the check
program that is run to ascertain if subsequent processing is required.

System Response

Processing is terminated.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

Contact SAP as a program error has been generated.
Function module WLF_INV_FOLLOW_DATA_NES_CHECK has been called using
incorrect data (parameter T_YKOMLFK).

Error message extract from SAP system. Copyright SAP SE.