How To Fix E0783 - Segment & is not permitted as reference segment

SAP Error Message - Details

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 783

• Message text: Segment & is not permitted as reference segment

What causes this issue?

The segment &v1& cannot be used as a reference segment of the extension
&v2&. It is not contained in all basic types with which the extension
&v2& is already combined. This must be the case, however, since the two
components can otherwise not be combined.

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?

As reference segments, only choose segments which are contained in all
basic types used.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0783 - Segment & is not permitted as reference segment ?

  The SAP error message E0783, which states "Segment & is not permitted as reference segment," typically occurs in the context of SAP's data processing, particularly when dealing with IDocs (Intermediate Documents) or other data segments in the system. This error indicates that a specific segment is being referenced in a way that is not allowed according to the configuration or the rules defined in the system.
  Cause:
  
  Incorrect Segment Configuration: The segment being referenced may not be configured correctly in the IDoc type or message type. This can happen if the segment is not defined as a reference segment in the IDoc structure.
  Invalid Mapping: If there is a mapping issue where a segment is trying to reference another segment that is not allowed, this error can occur.
  Version Mismatch: If there are discrepancies between the versions of the IDoc definitions or the data being processed, it can lead to this error.
  Custom Development Issues: If there are custom developments or enhancements that manipulate IDoc processing, they may inadvertently cause this error.
  
  Solution:
  
  Check IDoc Configuration: Review the IDoc type and ensure that the segment in question is correctly defined. You can do this by using transaction WE30 (IDoc Type Development) to check the structure of the IDoc.
  Review Mapping: If you are using a mapping tool (like SAP PI/PO), ensure that the mappings are correct and that the segments are being referenced appropriately.
  Update or Correct Custom Code: If there are custom developments involved, review the code to ensure that it adheres to the IDoc structure and does not attempt to reference segments incorrectly.
  Consult Documentation: Refer to SAP documentation or notes related to the specific IDoc type you are working with to understand the allowed segment references.
  Testing: After making changes, test the IDoc processing again to ensure that the error is resolved.
  
  Related Information:
  
  Transaction Codes: 
  
  WE30: IDoc Type Development
  WE20: Partner Profiles
  WE19: Test Tool for IDocs
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error.
  IDoc Structure: Familiarize yourself with the IDoc structure and the rules governing segment references to prevent similar issues in the future.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP Basis or technical consultant who can provide deeper insights into the specific configuration and customizations in your SAP environment.