How To Fix CNV_DMC_MC_EXCEPTION097 - Length &1 not supported; parameter has a maximum length of &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 097

• Message text: Length &1 not supported; parameter has a maximum length of &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION097 - Length &1 not supported; parameter has a maximum length of &2 ?

  The SAP error message CNV_DMC_MC_EXCEPTION097 indicates that a certain parameter's length exceeds the maximum allowed length defined in the system. This error typically arises during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools.
  Cause:
  The error occurs when:
  
  A data field being processed has a length that exceeds the predefined maximum length for that field in the target system.
  The data being migrated does not conform to the expected format or length constraints set in the target database schema.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Field: Determine which specific field is causing the error. The error message will usually indicate the field name and the lengths involved (actual length &1 and maximum length &2).
  
  
  Check Data Source: Review the source data to see if there are any entries that exceed the maximum length. You may need to clean or truncate the data before migration.
  
  
  Adjust Target Schema: If appropriate, consider adjusting the target schema to accommodate longer data lengths. This may involve modifying the database table structure to increase the maximum length of the field.
  
  
  Data Transformation: Implement data transformation rules in your migration process to ensure that data is formatted correctly and adheres to the length constraints. This could involve truncating strings or splitting data into multiple fields.
  
  
  Testing: After making adjustments, perform a test migration with a subset of data to ensure that the issue is resolved before proceeding with the full migration.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or best practices.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions for this specific error.
  Data Migration Cockpit (DMC): Familiarize yourself with the DMC and its configuration settings, as it may have specific requirements for data formats and lengths.
  Field Lengths in Data Dictionary: Review the Data Dictionary (SE11) in SAP to understand the field definitions and constraints in the target system.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution to resolve it.