How To Fix CNV_DMC_MC_EXCEPTION193 - Length &1 is not compatible with data type length &2 of value table/field

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 193

• Message text: Length &1 is not compatible with data type length &2 of value table/field

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION193 - Length &1 is not compatible with data type length &2 of value table/field ?

  The SAP error message CNV_DMC_MC_EXCEPTION193 typically occurs during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that there is a mismatch between the length of the data being processed and the expected length defined for a specific field or value table in the target system.
  Cause:
  
  Data Length Mismatch: The length of the data being imported or migrated exceeds the maximum length defined for the corresponding field in the target database table. For example, if a field is defined to accept a maximum of 10 characters, but the data being migrated has 15 characters, this error will occur.
  Incorrect Mapping: The mapping of source fields to target fields may not be correctly defined, leading to incompatible data lengths.
  Data Type Issues: The data type of the source field may not match the data type of the target field, which can also lead to length issues.
  
  Solution:
  
  Check Data Length: Review the data being migrated to ensure that it adheres to the length restrictions of the target fields. You may need to truncate or modify the data to fit the required length.
  Adjust Field Definitions: If possible, consider adjusting the field definitions in the target system to accommodate the incoming data. This may involve changing the data type or increasing the length of the field.
  Review Mapping Configuration: Ensure that the mapping between source and target fields is correctly configured. Verify that the data types and lengths are compatible.
  Data Cleansing: Perform data cleansing on the source data to ensure that it meets the requirements of the target fields before migration.
  Use Transformation Rules: If using a data migration tool, consider applying transformation rules to modify the data during the migration process to ensure compatibility.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or updates regarding this error.
  Data Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for best practices and guidelines on data migration.
  Testing: Conduct thorough testing in a development or quality assurance environment before executing the migration in production to identify and resolve any potential issues.
  
  By addressing the data length and type mismatches, you should be able to resolve the CNV_DMC_MC_EXCEPTION193 error and successfully complete your data migration process.