How To Fix EA667 - Segment type & cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 667

• Message text: Segment type & cannot be changed

What causes this issue?

Segment type &v1& is flagged as generated.

System Response

Generated segment types can only be displayed.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA667 - Segment type & cannot be changed ?

  The SAP error message EA667 ("Segment type & cannot be changed") typically occurs in the context of data processing in SAP, particularly when dealing with IDoc (Intermediate Document) processing or when working with certain data structures in SAP applications. This error indicates that there is an attempt to change the segment type of an IDoc or a data structure that is not allowed.
  Cause:
  
  Immutable Segment Type: The segment type of an IDoc or data structure is defined at the time of its creation and cannot be changed afterward. This error arises when there is an attempt to modify the segment type after it has been defined.
  Incorrect Configuration: There may be a configuration issue where the system is trying to process data in a way that is not compatible with the defined segment types.
  Data Mapping Issues: If there are inconsistencies in the mapping of data between different systems or processes, it may lead to this error.
  
  Solution:
  
  Check IDoc Configuration: Review the IDoc configuration to ensure that the segment types are correctly defined and that there are no attempts to change them after creation.
  Review Data Processing Logic: If you are working with custom programs or enhancements, check the logic to ensure that it does not attempt to change the segment type of an IDoc or data structure.
  Use Correct Segment Types: Ensure that the correct segment types are being used in your data processing. If you need to use a different segment type, you may need to create a new IDoc or data structure with the desired segment type.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on working with IDocs and segment types.
  
  Related Information:
  
  IDoc Types: Understand the different types of IDocs and their segment structures. Each IDoc type has a predefined structure that should not be altered.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as WE02 (Display IDoc) or WE19 (Test Tool for IDocs) to analyze IDoc structures and troubleshoot issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation.