How To Fix DMEE454 - Line &1: no assignment possible starting at position &2

DMEE454 - Overview

• Message type: E = Error

• Message class: DMEE - Messages for Data Medium Exchange Engine

• Message number: 454

• Message text: Line &1: no assignment possible starting at position &2

What causes this issue?

The contents of line &V1& starting at position &V2& cannot be assigned
to a node since the corresponding segment &V3& has already been
processed completely.
The non-assigned character string has a length of &V4&.

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.

DMEE454 - Details

• The SAP error message DMEE454 typically occurs in the context of the Data Medium Exchange Engine (DMEE) when generating payment files or other data formats. This error indicates that there is an issue with the assignment of fields in the DMEE tree structure, specifically that the system cannot assign a value to a field starting at a specified position.
  
  Cause:
  
  Incorrect Field Mapping: The error often arises when the mapping of fields in the DMEE tree is not correctly defined. This could be due to a mismatch between the expected data structure and the actual data being processed.
  Data Length Issues: The length of the data being assigned may exceed the defined length for the target field, leading to an inability to assign the value.
  Missing Data: If the data source does not provide the necessary information for the specified position, the assignment cannot be completed.
  Configuration Errors: There may be errors in the configuration