How To Fix CNV_MBT149 - Only addons locked by a DMIS function could be unlocked

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 149

• Message text: Only addons locked by a DMIS function could be unlocked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT149 - Only addons locked by a DMIS function could be unlocked ?

  The SAP error message CNV_MBT149 indicates that there is an issue related to the unlocking of add-ons in the context of a Data Migration and Integration Service (DMIS) function. This error typically arises during the execution of a migration or upgrade process where certain add-ons are locked to ensure data integrity and consistency.
  Cause:
  The error occurs when there is an attempt to unlock an add-on that is not locked by a DMIS function. This can happen due to several reasons:
  
  Incorrect Locking Mechanism: The add-on may not have been locked using the DMIS function, leading to the system not recognizing it as a valid target for unlocking.
  Configuration Issues: There may be configuration issues in the DMIS setup that prevent the proper locking and unlocking of add-ons.
  Version Compatibility: The version of the DMIS or the add-on may not be compatible, leading to unexpected behavior.
  
  Solution:
  To resolve the CNV_MBT149 error, you can follow these steps:
  
  
  Check Lock Status: Verify the current lock status of the add-on. You can do this by checking the relevant tables or using transaction codes that display the status of add-ons.
  
  
  Use Correct DMIS Functions: Ensure that you are using the correct DMIS functions to lock and unlock add-ons. Refer to the DMIS documentation for the appropriate procedures.
  
  
  Review Configuration: Check the configuration settings for DMIS and ensure that they are set up correctly. This includes verifying that the add-ons are properly registered and that the DMIS version is compatible with your SAP system.
  
  
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  
  Contact SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance. They can provide more detailed insights based on your specific system configuration and version.
  
  
  Related Information:
  
  DMIS (Data Migration and Integration Service): This is a tool provided by SAP to facilitate data migration and integration processes during system upgrades or migrations.
  Add-ons: These are additional software components that can be installed in an SAP system to extend its functionality. They may have specific locking mechanisms to ensure data integrity during migrations.
  SAP Notes and Documentation: Always refer to the official SAP documentation and notes for the most accurate and up-to-date information regarding error messages and their resolutions.
  
  By following these steps, you should be able to address the CNV_MBT149 error effectively.