How To Fix WM221 - You are assigning mats. to assortment & - they are not defined there

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 221

• Message text: You are assigning mats. to assortment & - they are not defined there

What causes this issue?

You are listing a material in an assortment although the material group
of this material is not defined in the material group assortment
master. This could result in an illogical assortment (such as deep
frozen goods in a plant without the necessary equipment, for example).

System Response

You are only given the chance to respond to this error if you activate
the "Display / Process listing errors" flag. If you do not, the
incorrect plants will simply be excluded from the listing.

How to fix this error?

Reset the selection flag for the assortment (then no listing will
occur) or ignore this error (and a listing will then take place).
However, you should only do this if the consequences of this action are
completely clear to you.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WM221 - You are assigning mats. to assortment & - they are not defined there ?

  The SAP error message WM221 ("You are assigning materials to assortment & - they are not defined there") typically occurs in the context of Warehouse Management (WM) or Material Management (MM) when you are trying to assign materials to an assortment that has not been properly defined or configured in the system.
  Cause:
  
  Undefined Assortment: The assortment you are trying to assign materials to does not have the specified materials defined within it.
  Incorrect Configuration: The assortment configuration may not have been completed correctly, or the materials may not have been included in the assortment.
  Data Entry Error: There may be a typographical error in the assortment name or the material number being used.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or modify the assortment.
  
  Solution:
  
  
  Check Assortment Definition:
  
  Go to the assortment management transaction (e.g., using transaction code WMS1 or WMS2).
  Verify that the assortment you are trying to use is correctly defined and that the materials you are trying to assign are included in that assortment.
  
  
  
  Add Materials to Assortment:
  
  If the materials are not defined in the assortment, you will need to add them. This can typically be done in the assortment management screen by selecting the appropriate assortment and adding the materials.
  
  
  
  Verify Material Master Data:
  
  Ensure that the materials you are trying to assign are active and correctly set up in the material master. Check for any status flags that might prevent them from being assigned.
  
  
  
  Check for Typographical Errors:
  
  Double-check the assortment name and material numbers for any typos or incorrect entries.
  
  
  
  User Authorizations:
  
  Ensure that you have the necessary authorizations to access and modify the assortment. If not, contact your SAP security administrator.
  
  
  
  Consult Documentation:
  
  Review any relevant SAP documentation or help files related to assortment management for additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as WMS1 (Create Assortment), WMS2 (Change Assortment), and WMS3 (Display Assortment).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to resolve the WM221 error and successfully assign materials to the desired assortment.