How To Fix DMC_AP014 - Table &1 and &2 have different structures

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_AP - MWB: AP specific messages

• Message number: 014

• Message text: Table &1 and &2 have different structures

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_AP014 - Table &1 and &2 have different structures ?

  The SAP error message DMC_AP014 indicates that there is a mismatch in the structures of two tables that are being compared or processed in a Data Management context, typically within the Data Migration Cockpit (DMC) or similar data handling tools in SAP. This error usually arises when the system expects two tables to have the same structure (i.e., the same fields, data types, and order), but they do not.
  Cause:
  
  Different Field Definitions: The two tables may have different field names, data types, or lengths.
  Inconsistent Data Models: The data models for the two tables may have been altered, leading to discrepancies.
  Incorrect Mapping: If you are using a mapping template, it may not be correctly configured to align the fields of the two tables.
  Version Mismatch: If the tables belong to different versions of a data model or application, their structures may differ.
  
  Solution:
  
  Check Table Structures: Review the structures of both tables involved in the error. You can do this using transaction codes like SE11 (Data Dictionary) to compare the fields, data types, and lengths.
  Adjust Mapping: If you are using a mapping template, ensure that it correctly maps the fields from one table to the other. Make necessary adjustments to align the structures.
  Update Data Model: If the data model has changed, you may need to update the tables to ensure they have the same structure. This could involve adding or removing fields or changing data types.
  Consult Documentation: Refer to SAP documentation or release notes for any changes that might have affected the table structures.
  Testing: After making adjustments, test the data migration or processing again to ensure that the error is resolved.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Data Migration Cockpit: Familiarize yourself with the Data Migration Cockpit and its configuration settings, as this can help prevent similar issues in the future.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the cause of the DMC_AP014 error and implement a solution to resolve it.