How To Fix DT914 - &-structure: invalid change: position field & changed

DT914 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 914

• Message text: &-structure: invalid change: position field & changed

What causes this issue?

For a BAPI or IDOC structure, you have attempted to change a field
position. This structure, however, is marked as "frozen". This means
that, in this version, it is delivered productive in BAPIs and IDOCs,
respectively. Renewed delivery with the performed change would
contradict the agreed interface.

System Response

Activation is rejected.

How to fix this error?

Take back the change. If it is absolutely necessary, you must remove the
"frozen" status. For information on how to do this and what you need to
watch out for, refer to Note 1297242.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

DT914 - Details

• The SAP error message DT914, which states "Structure: Invalid change: Position field & changed," typically occurs in the context of data transport or when working with data structures in SAP. This error indicates that there is an issue with the modification of a data structure, particularly with the position of fields within that structure.
  
  Cause:
  
  Field Position Change: The error usually arises when there is an attempt to change the position of a field in a structure that is already defined. In SAP, the position of fields in a structure is critical, and changing it can lead to inconsistencies.
  Transport Issues: If the structure is being transported from one system to another (e.g., from development to production), and the field positions have been altered in the development system, this can trigger the error.
  Inconsistent Data Dictionary: If there are inconsistencies in the data dictionary or if the structure is being used in multiple places,