How To Fix CNV_CMIS_M310 - Fields offset, length, and notuse can only be changed in the change mode

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_M - Message class for CMIS Migration

• Message number: 310

• Message text: Fields offset, length, and notuse can only be changed in the change mode

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_M310 - Fields offset, length, and notuse can only be changed in the change mode ?

  The SAP error message CNV_CMIS_M310 typically occurs during the data migration process, particularly when using the SAP Conversion Tools or during the execution of a migration project. This error indicates that there is an attempt to change the field properties (offset, length, and notuse) in a mode that does not allow such changes, usually in display mode instead of change mode.
  Cause:
  
  Mode Restriction: The error arises because the system is in display mode, which does not permit modifications to the field properties.
  Incorrect Transaction: The transaction or program being executed may not be the correct one for making changes to the specified fields.
  User Permissions: The user may not have the necessary permissions to make changes to the data structure.
  
  Solution:
  
  Switch to Change Mode: Ensure that you are in change mode when trying to modify the field properties. This can usually be done by selecting the appropriate option in the SAP GUI or using the correct transaction code.
  Check Transaction Code: Verify that you are using the correct transaction code for making changes. For example, if you are using a transaction that is meant for display purposes, switch to the corresponding change transaction.
  User Authorization: Ensure that your user account has the necessary authorizations to make changes to the data structure. You may need to contact your SAP administrator to check your permissions.
  Review Documentation: Consult the SAP documentation or help resources related to the specific migration tool or process you are using to ensure you are following the correct procedures.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on the migration process.
  Migration Tools: Familiarize yourself with the specific migration tools and their functionalities, as they may have specific requirements for changing field properties.
  SAP Community: Engage with the SAP Community forums or support channels for additional insights or similar experiences from other users.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.