How To Fix CNV_PE_POST120 - Simulation preparation function module (WL2SIMPR) not generated yet

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_POST -

• Message number: 120

• Message text: Simulation preparation function module (WL2SIMPR) not generated yet

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_POST120 - Simulation preparation function module (WL2SIMPR) not generated yet ?

  The SAP error message "CNV_PE_POST120 Simulation preparation function module (WL2SIMPR) 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 function module required for the simulation preparation has not been generated, which can prevent the execution of the migration or conversion process.
  Causes:
  
  Incomplete Setup: The migration project may not have been fully set up, leading to missing function modules.
  Missing Authorizations: The user executing the migration may not have the necessary authorizations to generate the function module.
  System Configuration Issues: There may be issues with the system configuration or the specific migration object being used.
  Transport Issues: If the migration objects were transported from another system, there may have been issues during the transport process.
  
  Solutions:
  
  
  Generate the Function Module:
  
  Go to transaction SE80 (Object Navigator) or SE37 (Function Builder).
  Check if the function module WL2SIMPR exists. If it does not, you may need to generate it manually or check the migration project settings.
  If it exists but is not active, activate it.
  
  
  
  Check Migration Project Settings:
  
  Ensure that the migration project is correctly configured and all necessary steps have been completed.
  Review the project settings in the Migration Cockpit to ensure that all required objects are included.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to execute the migration and generate function modules. This may involve checking roles and profiles assigned to the user.
  
  
  
  Check for Notes and Patches:
  
  Look for any SAP Notes or patches related to the migration cockpit or the specific migration object you are using. Applying relevant notes may resolve the issue.
  
  
  
  Consult SAP Documentation:
  
  Refer to the official SAP documentation for the migration cockpit or the specific migration scenario you are working on. This may provide additional insights or steps to resolve the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They may provide specific guidance based on your system configuration and the context of the error.
  
  
  
  Related Information:
  
  Transaction Codes: SE80, SE37, and the Migration Cockpit transaction codes (e.g., LTMC).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on migration issues.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit for detailed instructions on setting up and executing migration projects.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.