How To Fix E0078 - EDI: Syntax error in IDoc (segment cannot be identified)

E0078 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 078

• Message text: EDI: Syntax error in IDoc (segment cannot be identified)

What causes this issue?

The segment &v3& does not occur at the current level of the basic type
&v1& (extension &v2&).
This error can have several reasons:
The segment &v3& is assigned to a group whose header segment does not
occur.
The segment &v3& does not exist in the syntax description of the basic
type &v1& (extension &v2&).
The sequence of segments in the group in which the segment appears is
incorrect.
Previous errors ('mandatory' segment or group missing) may be due to
this error.

How to fix this error?

Please check the <DS:GLOS.IDoc>IDoc</> or the syntax description of the
basic type &v1& (extension &v2&).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0078 - EDI: Syntax error in IDoc (segment cannot be identified) ?

  The SAP error message E0078, which indicates a "Syntax error in IDoc (segment cannot be identified)," typically occurs during the processing of an IDoc (Intermediate Document) in the Electronic Data Interchange (EDI) framework. This error suggests that the IDoc structure does not conform to the expected format, making it impossible for the system to identify one or more segments within the IDoc.
  Causes:
  
  Incorrect IDoc Structure: The IDoc may not adhere to the expected structure defined in the IDoc type. This could be due to missing segments, incorrect segment order, or invalid segment names.
  Data Format Issues: The data within the segments may not match the expected format or data type, leading to parsing errors.
  Version Mismatch: The IDoc version being used may not be compatible with the receiving system's configuration.
  
  Configuration Issues: There may be issues with the configuration of the IDoc type or message type in the SAP system.
  Corrupted IDoc: The IDoc may