How To Fix E0549 - Conflict between package and structure namespace

E0549 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 549

• Message text: Conflict between package and structure namespace

What causes this issue?

The development class for IDoc types of Intermediate Document segments
and the name range for these IDoc types are incompatible.

System Response

It is not possible to work with these settings.

How to fix this error?

Enter the following parameters in the EDI administration table:
Parameter,,Parameter value
IDOCEDIT,,USR
SEGDVCLASS,,<Development class>
The development class to which the IDoc types are to be assigned must
be identified according to the customer name range and begin with Z or
Y.

<DS:TRAN.WE46>Execute function</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

E0549 - Details

• The SAP error message E0549, which indicates a "Conflict between package and structure namespace," typically arises when there is a mismatch between the namespace of a package and the namespace of a structure in the ABAP Dictionary. This can occur in various scenarios, such as when you are trying to create or modify a structure that is associated with a package that has a different namespace.
  
  Cause:
  
  Namespace Conflict: The structure you are trying to use is defined in a different namespace than the package you are working with. For example, if the structure is in a customer namespace (e.g., Z or Y) and the package is in a standard namespace (e.g., SAP's own namespaces), this conflict will trigger the error.
  Package Assignment: The package assigned to the structure may not be compatible with the package you are trying to use it in.
  Transport Layer Issues: If the structure is part of a transport