How To Fix CNV_PE421 - Call of worklist modification TRule deactivated for area &1

CNV_PE421 - Overview

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 421

• Message text: Call of worklist modification TRule deactivated for area &1

Self-Explanatory Message

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CNV_PE421 - Details

• The SAP error message CNV_PE421 indicates that there is an issue with the worklist modification for a specific area in the SAP system. This error typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  
  Cause:
  The error message CNV_PE421 is triggered when the system attempts to call a worklist modification transformation rule (TRule) that has been deactivated for a specific area (denoted by &1). This can happen due to several reasons:
  
  Deactivation of Transformation Rules: The transformation rules that are supposed to handle the data for the specified area have been deactivated, either intentionally or accidentally.
  
  Configuration Issues: There may be configuration issues in the migration project that prevent the transformation rules from being executed.
  Missing or Incorrect Mapping: The mapping for the data being processed may not be correctly set up, leading to the system not finding the appropriate transformation rules.
  
  
  Solution:
  To resolve