How To Fix MPE_RTG_UI255 - No default value for item category found

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_RTG_UI - Messages for Routing Maintenance

• Message number: 255

• Message text: No default value for item category found

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_RTG_UI255 - No default value for item category found ?

  The SAP error message MPE_RTG_UI255: No default value for item category found typically occurs in the context of creating or processing documents in SAP, such as sales orders, purchase orders, or other transactional documents. This error indicates that the system is unable to determine a default item category for the item being processed, which is essential for the system to proceed with the transaction.
  Causes:
  
  Missing Configuration: The item category may not be defined in the system for the specific transaction type or document type you are working with.
  Master Data Issues: The material master or other related master data may not have the necessary settings or classifications that link to the item category.
  Customizing Settings: The customizing settings in the SAP system may not be properly configured to assign item categories based on the criteria defined in the system.
  Document Type Issues: The document type being used may not have a valid item category assigned to it in the configuration.
  
  Solutions:
  
  
  Check Item Category Configuration:
  
  Go to the transaction code OVL2 (for sales documents) or OMD1 (for purchasing documents) to check the configuration of item categories.
  Ensure that the relevant item categories are defined and linked to the appropriate document types.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to check the material master data for the item in question.
  Ensure that the material has the correct item category group assigned, which is crucial for determining the item category.
  
  
  
  Check Document Type Settings:
  
  Verify the document type settings in the relevant configuration area (e.g., sales order types, purchase order types) to ensure that they are correctly set up to derive item categories.
  
  
  
  Customizing Settings:
  
  If you have custom item categories or document types, ensure that they are properly configured in the system.
  Check the customizing settings for item category determination to ensure that all necessary criteria are met.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional guidance.
  
  
  
  Testing:
  
  After making any changes, perform tests to ensure that the error no longer occurs and that the system can successfully determine the item category.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like OVL2, OMD1, MM03, and SPRO for configuration and data checks.
  Documentation: Review SAP documentation related to item category determination and configuration for sales and purchasing documents.
  User Roles: Ensure that you have the necessary authorizations to make changes to configuration settings or master data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module (e.g., SD for sales and distribution, MM for materials management).