How To Fix DMCLG519 - Internal type of field '&1' (&2) different in '&3' and '&4'

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 519

• Message text: Internal type of field '&1' (&2) different in '&3' and '&4'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG519 - Internal type of field '&1' (&2) different in '&3' and '&4' ?

  The SAP error message DMCLG519 indicates a mismatch in the internal type of a field between two different data structures or tables. This typically occurs during data processing or when trying to map fields between different contexts, such as when using Data Migration Cockpit (DMC) or during data transfer processes.
  Cause:
  The error arises when:
  
  The field type in one structure (e.g., a source table or structure) does not match the field type in another structure (e.g., a target table or structure).
  This can happen due to differences in data types (e.g., CHAR vs. NUMC), lengths, or other attributes of the fields being compared.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Fields: Check the error message details to identify the specific fields involved. The placeholders &1, &2, &3, and &4 will provide the names and types of the fields in question.
  
  
  Check Data Types: Compare the data types of the fields in both structures. You can do this by:
  
  Using transaction codes like SE11 (Data Dictionary) to view the definitions of the tables or structures involved.
  Checking the field definitions in the source and target systems if applicable.
  
  
  
  Adjust Field Definitions: If you have control over the data structures:
  
  Modify the field definitions to ensure that they match in terms of type and length.
  If the source data cannot be changed, consider creating a mapping or transformation logic that converts the data to the expected type before processing.
  
  
  
  Data Mapping: If you are using a data migration tool, ensure that the mapping configuration is set up correctly. You may need to adjust the mapping to ensure that the data types align.
  
  
  Testing: After making the necessary adjustments, test the data transfer or migration process again to ensure that the error is resolved.
  
  
  Related Information:
  
  Documentation: Refer to SAP documentation for the specific module or tool you are using (e.g., Data Migration Cockpit) for more details on data types and mapping.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Consider searching or posting in SAP community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the cause of the DMCLG519 error and implement a solution to resolve it.