How To Fix CNV_DMC_MC045 - Object ID too long; maximum length for Object ID is 14

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 045

• Message text: Object ID too long; maximum length for Object ID is 14

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_DMC_MC045 - Object ID too long; maximum length for Object ID is 14 ?

  The SAP error message CNV_DMC_MC045 indicates that an Object ID being processed exceeds the maximum allowed length of 14 characters. This error typically arises in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools.
  Cause:
  The error is caused by an attempt to use an Object ID that exceeds the defined limit of 14 characters. This can happen in various scenarios, such as:
  
  When importing or migrating data that includes Object IDs longer than 14 characters.
  When custom scripts or configurations inadvertently generate Object IDs that exceed the limit.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Source of the Long Object ID:
  
  Review the data being processed to identify which Object ID is causing the issue. This may involve checking the source data files or the configuration settings in the migration tool.
  
  
  
  Modify the Object ID:
  
  If possible, truncate the Object ID to ensure it does not exceed the 14-character limit. This may involve renaming the Object ID or adjusting the data mapping.
  
  
  
  Check Configuration Settings:
  
  Review any configuration settings in the migration tool that may allow for the definition of Object IDs. Ensure that they conform to the 14-character limit.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using. There may be guidelines or best practices for handling Object IDs.
  
  
  
  Test the Changes:
  
  After making adjustments, re-run the migration process to ensure that the error is resolved.
  
  
  
  Seek Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who can provide further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Data Migration Cockpit (DMC): Familiarize yourself with the features and limitations of the DMC, as it may have specific requirements for Object IDs.
  Data Mapping: Ensure that your data mapping strategy accounts for the limitations of Object IDs in SAP.
  
  By following these steps, you should be able to address the CNV_DMC_MC045 error and successfully complete your data migration or conversion process.