How To Fix E0768 - Cannot insert child segment (would change level of parent node)

E0768 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 768

• Message text: Cannot insert child segment (would change level of parent node)

What causes this issue?

You want to insert a segment (or segments) as a child segment. This
would change the hierarchy level of the parent segment. Since the
parent segment &v1& is an original segment of the predecessor &v2&,
this is not allowed.

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?

Insert the segment(s) at the same level.

Error message extract from SAP system. Copyright SAP SE.

E0768 - Details

• The SAP error message E0768, "Cannot insert child segment (would change level of parent node)," typically occurs in the context of hierarchical data structures, such as when working with IDocs, BAPIs, or other data models that involve parent-child relationships. This error indicates that there is an attempt to insert a child segment in a way that would violate the hierarchical structure defined by the parent node.
  
  Cause:
  
  Hierarchical Structure Violation: The most common cause of this error is that the insertion of the child segment would change the expected level of the parent node. For example, if the parent node is expected to have a certain number of child nodes, and the insertion would create a situation where the hierarchy is not maintained, this error will occur.
  Incorrect Data Mapping: If the data being processed does not conform to the expected structure, such as trying to insert a child segment at an incorrect