How To Fix EA356 - Field name in repository '&1', field name in segment '&2', position &3

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 356

• Message text: Field name in repository '&1', field name in segment '&2', position &3

What causes this issue?

For item '&v3&', field '&v2& is declared, but the field name in the
relevant repository structure is '&v1&'.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Compare the segment with the repository structure and change the
segment in the segment editor in accordance with your requirements.
Save the segment in the segment editor.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA356 - Field name in repository '&1', field name in segment '&2', position &3 ?

  The SAP error message EA356 typically indicates a mismatch between the field definitions in the data repository and the fields defined in the segment of a data structure, such as an IDoc or a similar data interchange format. This error can occur during data processing, especially when dealing with IDocs, BAPIs, or other data transfer mechanisms.
  Cause:
  The error message EA356 is triggered when:
  
  Field Name Mismatch: The field name defined in the repository does not match the field name in the segment.
  Position Mismatch: The position of the field in the segment does not correspond to the expected position in the repository.
  Data Structure Changes: Changes in the data structure (like adding, removing, or renaming fields) that have not been properly updated in all relevant areas.
  Versioning Issues: Different versions of the data structure being used, leading to inconsistencies.
  
  Solution:
  To resolve the EA356 error, you can take the following steps:
  
  
  Check Field Definitions:
  
  Verify the field names and their positions in both the repository and the segment. Ensure they match exactly.
  Use transaction codes like WE30 (for IDoc types) or SE11 (for data dictionary objects) to inspect the definitions.
  
  
  
  Update Data Structures:
  
  If there have been recent changes to the data structure, ensure that all relevant segments and repository definitions are updated accordingly.
  If you are using custom segments or IDocs, ensure that they are aligned with the latest definitions.
  
  
  
  Re-generate IDocs:
  
  If the error occurs during IDoc processing, consider re-generating the IDoc or the relevant data structure to ensure that it reflects the current definitions.
  
  
  
  Check for Custom Enhancements:
  
  If there are custom enhancements or modifications in your SAP system, ensure that they are not causing the mismatch. Review any user exits, BAdIs, or custom code that may affect the data structure.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific IDoc or data structure you are working with. There may be known issues or updates that address the error.
  
  
  
  Testing:
  
  After making changes, perform thorough testing to ensure that the error is resolved and that data is processed correctly.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  WE30: IDoc Type Development
  WE31: IDoc Segment Development
  SE11: Data Dictionary
  
  
  SAP Notes: Check SAP Notes for any specific issues related to the error message EA356. You can search for the error message in the SAP Support Portal.
  IDoc Monitoring: Use transaction WE02 or WE05 to monitor IDocs and check for any additional errors or warnings that may provide more context.
  
  By following these steps, you should be able to identify and resolve the cause of the EA356 error in your SAP system.