How To Fix PK877 - Fatal error in custom enhancement of data flow from &1 to &2

PK877 - Overview

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 877

• Message text: Fatal error in custom enhancement of data flow from &1 to &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PK877 - Fatal error in custom enhancement of data flow from &1 to &2 ?

  The SAP error message PK877, which states "Fatal error in custom enhancement of data flow from &1 to &2," typically occurs during the execution of a data flow in SAP BW (Business Warehouse) or during the extraction process when there is an issue with a custom enhancement that has been implemented.
  
  Cause:
  
  Custom Code Issues: The error often arises from custom ABAP code that has been implemented as an enhancement in the data flow. This could be due to syntax errors, logic errors, or unhandled exceptions in the custom code.
  Data Inconsistencies: If the data being processed does not meet the expected format or constraints defined in the custom enhancement, it can lead to a fatal error.
  
  Configuration Issues: Incorrect configuration of the data flow or the data source can also lead to this error.
  Transport Issues: If the custom enhancement was transported from one system to another, there may be missing dependencies or inconsistencies