How To Fix CNV_DMC_MC_EXCEPTION072 - Value is too long; predefined length &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 072

• Message text: Value is too long; predefined length &1

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_MC_EXCEPTION072 - Value is too long; predefined length &1 ?

  The SAP error message CNV_DMC_MC_EXCEPTION072 indicates that a value being processed exceeds the predefined length for a specific field in the system. This error typically occurs during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools.
  Cause:
  The error is caused by one of the following:
  
  Data Length Exceeded: The value being imported or processed is longer than the maximum length defined for that field in the target database or application.
  Incorrect Mapping: The source data may not be correctly mapped to the target fields, leading to length discrepancies.
  Data Quality Issues: The source data may contain unexpected characters or formatting that increase the length of the value.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Field: Check the error message details to identify which field is causing the issue. The message may provide information about the specific field and its maximum length.
  
  
  Review Source Data: Examine the source data to find the specific value that is too long. You can use data profiling tools or scripts to identify records that exceed the length limit.
  
  
  Adjust Data: 
  
  Truncate Values: If appropriate, truncate the values in the source data to fit within the defined length.
  Modify Mapping: If the mapping is incorrect, adjust the mapping configuration to ensure that the data is being directed to the correct fields.
  
  
  
  Change Target Field Length: If the business requirements allow, consider increasing the length of the target field in the database to accommodate the longer values. This may require changes to the database schema and should be done with caution.
  
  
  Data Validation: Implement data validation rules to ensure that future data entries conform to the expected length and format.
  
  
  Testing: After making the necessary adjustments, re-run the data migration process to verify that the error has been resolved.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  Data Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for best practices and guidelines on data mapping and migration.
  Field Length Definitions: Familiarize yourself with the field length definitions in the target system to prevent similar issues in the future.
  
  By following these steps, you should be able to resolve the CNV_DMC_MC_EXCEPTION072 error and successfully complete your data migration or conversion process.