How To Fix CNV_PE_POST122 - Simulation function module (WL2SIM) not generated yet

CNV_PE_POST122 - Overview

• Message type: E = Error

• Message class: CNV_PE_POST -

• Message number: 122

• Message text: Simulation function module (WL2SIM) not generated yet

Self-Explanatory Message

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CNV_PE_POST122 - Details

• The SAP error message "CNV_PE_POST122 Simulation function module (WL2SIM) not generated yet" typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system is trying to execute a simulation function module that has not yet been generated.
  
  Cause:
  
  Missing Function Module Generation: The function module WL2SIM has not been generated in the system. This can happen if the necessary steps to generate the function module were not completed.
  Incomplete Configuration: The configuration for the data migration or conversion process may be incomplete, leading to the function module not being created.
  Transport Issues: If the system is part of a transport landscape, the function module may not have been transported correctly.
  Authorization Issues: Lack of proper authorizations may prevent the generation of the function module.
  
  
  Solution:
  
  
  Generate the Function Module:
  
  Go to transaction code SE80 (Object Navigator) or SE37 (Function Builder).
  Check if