How To Fix E0756 - Name of segment type must begin with &

SAP Error Message - Details

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 756

• Message text: Name of segment type must begin with &

What causes this issue?

The name of the segment type begins with an invalid prefix.

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?

Segment types delivered by SAP begin with the prefix &v2&.
Segment types created by the customer begin with the prefix &v1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0756 - Name of segment type must begin with & ?

  The SAP error message E0756, which states "Name of segment type must begin with &," typically occurs in the context of defining or working with IDoc segments in the SAP system. This error indicates that the name of a segment type you are trying to define or use does not conform to the naming conventions required by SAP.
  Cause:
  
  Incorrect Naming Convention: In SAP, segment types for IDocs must start with the ampersand symbol (&). This is a requirement for the system to recognize the segment type correctly.
  Typographical Error: There may be a simple typographical error where the segment name was entered incorrectly.
  Configuration Issues: If you are working with custom segments or configurations, there may be an issue with how these segments were defined.
  
  Solution:
  
  Check Segment Name: Ensure that the segment type name you are using starts with the ampersand (&) character. For example, if you are trying to define a segment type called "MYSEG", it should be defined as "&MYSEG".
  Review IDoc Definitions: Go to the IDoc segment definition in transaction WE31 (for segment types) or WE30 (for IDoc types) and verify that all segment names conform to the naming convention.
  Correct Typographical Errors: If you find any typographical errors in the segment names, correct them to ensure they start with the required character.
  Consult Documentation: If you are unsure about the naming conventions or how to define segments, refer to the SAP documentation or help resources for guidance on IDoc segment definitions.
  
  Related Information:
  
  IDoc Basics: IDocs (Intermediate Documents) are used in SAP for data interchange between systems. Each IDoc consists of a control record, data records, and status records.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as WE30 (IDoc type definition), WE31 (segment type definition), and WE20 (partner profiles) for managing IDocs.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to IDoc segment definitions and naming conventions.
  
  By following these steps, you should be able to resolve the E0756 error and ensure that your segment types are correctly defined in the SAP system.