How To Fix OMW220 - Material type & has too many valuation classes

SAP Error Message - Details

• Message type: E = Error

• Message class: OMW - MB0D

• Message number: 220

• Message text: Material type & has too many valuation classes

What causes this issue?

This material type has too many valuation classes. The wizard cannot
handle this.

System Response

You can continue. If you try to change the valuation classes, the
wizard will then reduce the number of valuation classes to its limit of
200. If you continue without changing the valuation classes, then the
wizard will handle all the valuation classes without any problems.

How to fix this error?

If you need to change the valuation classes, then go to the regular IMG
transaction first, maintain the valuation classes there, and then
return to the wizard. Then proceed at this point without changing the
valuation classes.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message OMW220 - Material type & has too many valuation classes ?

  The SAP error message OMW220 indicates that a material type has been assigned too many valuation classes. This typically occurs when the system has reached the limit for the number of valuation classes that can be assigned to a specific material type. 
  Cause:
  
  Exceeding Limit: Each material type in SAP can be associated with a limited number of valuation classes. If you try to assign more valuation classes than allowed, you will encounter this error.
  Configuration Issues: The configuration settings in the SAP system may not be set up correctly, leading to an improper assignment of valuation classes to the material type.
  
  Solution:
  
  
  Review Valuation Classes: Check the valuation classes that are currently assigned to the material type in question. You can do this by navigating to the configuration settings in SAP:
  
  Go to SPRO ? Logistics - General ? Material Master ? Valuation ? Assign Valuation Classes to Material Types.
  Review the list of valuation classes assigned to the material type and identify if there are any unnecessary or duplicate entries.
  
  
  
  Remove Unused Valuation Classes: If there are valuation classes that are not being used or are redundant, consider removing them from the assignment to free up space for new ones.
  
  
  Increase the Limit: If your business process requires more valuation classes than the current limit allows, you may need to consult with your SAP Basis or technical team to see if it is possible to increase the limit. This may involve customizing the system, which should be done with caution and proper testing.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the limits for valuation classes and any potential workarounds.
  
  
  Check for Customizations: If your organization has custom developments or enhancements, ensure that they are not causing the issue. Sometimes custom code can lead to unexpected behavior in standard processes.
  
  
  Related Information:
  
  Material Types: Material types in SAP define the attributes of materials and how they are managed in the system. Each material type can have different settings for procurement, valuation, and inventory management.
  Valuation Classes: Valuation classes are used to determine how materials are valued in financial accounting. They link the material master to the general ledger accounts.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional insights or solutions that may not be covered in standard documentation.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or a consultant who specializes in SAP material management for further assistance.