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

CNV_CMIS_M310 - Overview

• 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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CNV_CMIS_M310 - Details

• 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