How To Fix CNV_MBT145 - Replace action requires the activity ID and the new activity ID

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 145

• Message text: Replace action requires the activity ID and the new activity ID

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT145 - Replace action requires the activity ID and the new activity ID ?

  The SAP error message CNV_MBT145 indicates that there is an issue with the "Replace" action in a migration or conversion process, specifically related to missing or incorrect activity IDs. This error typically arises in the context of data migration projects, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error occurs when the system expects both an activity ID (the ID of the activity you want to replace) and a new activity ID (the ID of the activity you want to use as a replacement) to be provided, but one or both of these IDs are missing or not correctly specified. This can happen due to:
  
  Incomplete Configuration: The migration or conversion configuration may not have been fully set up, leading to missing IDs.
  User Input Error: The user may have inadvertently left fields blank or entered incorrect values.
  Data Integrity Issues: There may be issues with the underlying data that prevent the system from identifying the correct activity IDs.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Configuration: Review the migration or conversion configuration to ensure that both the activity ID and the new activity ID are correctly specified. Make sure that all required fields are filled out.
  
  
  Validate Input: If you are manually entering the IDs, double-check for typos or incorrect values. Ensure that the IDs correspond to valid activities in the system.
  
  
  Consult Documentation: Refer to the SAP documentation or migration guides related to the specific tool or process you are using. This can provide insights into the correct setup and any prerequisites.
  
  
  Use Transaction Codes: If applicable, use relevant transaction codes (like LTMC for Migration Cockpit) to navigate through the migration process and ensure that all necessary steps are completed.
  
  
  Check Logs: Look at the logs or error messages generated during the migration process for additional context that might help identify the root cause of the issue.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with a colleague who has experience with the migration tool you are using.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit, as it provides tools and templates for data migration, and understanding its functionality can help in resolving issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_MBT145 error message.