How To Fix EA355 - No. of fields in repository structure &1, no. of fields in segment &2

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 355

• Message text: No. of fields in repository structure &1, no. of fields in segment &2

What causes this issue?

The number of fields in the segment is '&v2&'. In the repository
structure, however, there are '&v1&' fields.

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?

Please compare the segment structure with the appropriate repository
structure of the same name. In the segment editor, change the structure
in accordance with your requirements and save.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA355 - No. of fields in repository structure &1, no. of fields in segment &2 ?

  The SAP error message EA355 indicates a mismatch between the number of fields defined in a repository structure and the number of fields in a corresponding segment. This typically occurs in the context of IDoc processing, where the structure of the IDoc does not align with the expected structure defined in the SAP system.
  Cause:
  
  Mismatch in Structure Definition: The repository structure (which defines the data structure for the IDoc) has a different number of fields compared to the segment definition (which is the actual data being processed).
  Changes in IDoc Structure: If there have been recent changes to the IDoc structure (e.g., adding or removing fields) without updating the corresponding repository structure, this error can occur.
  Incorrect IDoc Type: The IDoc type being used may not match the expected structure, leading to discrepancies in field counts.
  Custom Development: If there are custom segments or modifications in the IDoc processing logic, they may not be properly aligned with the standard definitions.
  
  Solution:
  
  
  Check IDoc Definitions: Verify the definitions of both the repository structure and the segment. Ensure that they match in terms of the number of fields and their data types.
  
  Use transaction codes like WE30 (IDoc Types) and WE31 (IDoc Segments) to review the definitions.
  
  
  
  Update Structures: If changes have been made to the IDoc structure, ensure that the repository structure is updated accordingly. This may involve:
  
  Modifying the IDoc type or segment definitions.
  Regenerating the IDoc structure if necessary.
  
  
  
  Test with Correct IDoc Type: Ensure that the correct IDoc type is being used in the processing. If there are multiple versions or types, confirm that the right one is being referenced.
  
  
  Check Custom Code: If there is custom code involved in the IDoc processing, review it to ensure that it is correctly handling the fields as defined in the repository structure.
  
  
  Consult Documentation: Review any relevant SAP notes or documentation that may provide guidance on the specific IDoc type you are working with.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  WE30: To view and maintain IDoc types.
  WE31: To view and maintain IDoc segments.
  WE02: To monitor IDocs and check their status.
  
  
  
  SAP Notes: Search for SAP Notes related to the specific IDoc type or error message for additional troubleshooting steps or patches.
  
  
  IDoc Monitoring: Use transaction WE02 or WE05 to monitor IDocs and check for any other related errors that may provide more context.
  
  
  By following these steps, you should be able to identify and resolve the cause of the EA355 error in your SAP system.