How To Fix WM020 - Module & has no valid assignment to assortments

WM020 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 020

• Message text: Module & has no valid assignment to assortments

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WM020 - Module & has no valid assignment to assortments ?

  The SAP error message WM020, which states "Module & has no valid assignment to assortments," typically occurs in the context of Warehouse Management (WM) when there is an issue with the assignment of a module (such as a storage type or storage bin) to an assortment in the system. This can happen during various processes, such as stock movements, inventory management, or when trying to perform certain transactions related to warehouse operations.
  
  Cause:
  
  Missing Assignment: The module (storage type or bin) is not properly assigned to the assortment in the system.
  
  Configuration Issues: There may be a configuration issue in the Warehouse Management settings where the assortment is not linked to the relevant storage types or bins.
  Data Inconsistency: There could be inconsistencies in the master data or configuration settings that prevent the system from recognizing the assignment.
  Transport Issues: If the system has recently undergone a transport of changes, the assignment may not have