Syntax entry numbering contains errors.

What causes this issue?

The numbering of the segments in the view is incorrect. Either the
segment sequence does not correspond to the sequence of these segments
in the assigned basic type (in the assigned extension) or the numbering
is not sequential.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.