How To Fix WM571 - Resetting the functionality to 1:1 assignment is not permitted

WM571 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 571

• Message text: Resetting the functionality to 1:1 assignment is not permitted

What causes this issue?

You currently have multiple assignments between plants and assortments
and want to change the setting to a 1:1 assignment.

System Response

The change is not permitted because plants are already assigned to
assortments and it would therefore cause inconsistencies.

How to fix this error?

Delete all the assignments between plants and assortments. You can then
reset the switch to the 1:1 assignment.
You should note, however, that deleting the assignments may mean that
materials are no longer listed in plants.

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.

WM571 - Details

• The SAP error message WM571, "Resetting the functionality to 1:1 assignment is not permitted," typically occurs in the context of Warehouse Management (WM) when there is an attempt to change the assignment of storage bins or handling units in a way that is not allowed by the system's configuration or current state.
  
  Cause:
  
  Configuration Settings: The system is configured to enforce a specific assignment type (e.g., 1:1 assignment) for storage bins or handling units, and the operation you are trying to perform conflicts with this configuration.
  Existing Assignments: There may be existing assignments that do not allow for a reset to a 1:1 assignment. For example, if a storage bin is currently assigned to multiple handling units, the system will not allow you to change it back to a 1:1 assignment.
  Transaction Context: The error may arise during specific transactions that require strict adherence to assignment rules, such as during stock transfers, inventory management,