How To Fix SE312 - Informatory line cannot have a different line category

SAP Error Message - Details

• Message type: E = Error

• Message class: SE - Dienstleistungen Stammdaten Leistungsposition

• Message number: 312

• Message text: Informatory line cannot have a different line category

Self-Explanatory Message

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• What is the cause and solution for SAP error message SE312 - Informatory line cannot have a different line category ?

  The SAP error message SE312, which states "Informatory line cannot have a different line category," typically occurs in the context of creating or modifying documents in SAP, such as invoices or purchase orders. This error is related to the line item categories in the document, where an informatory line (often used for comments or additional information) is being assigned a line category that is not compatible with its intended use.
  Cause:
  The error is caused by attempting to add or modify a line item in a document where the line category of the informatory line does not match the expected line category for that type of document. In SAP, line items are categorized (e.g., standard items, informatory items, etc.), and each category has specific rules regarding what can be included or modified.
  Solution:
  To resolve the SE312 error, you can take the following steps:
  
  
  Check Line Categories: Review the line items in the document to ensure that the informatory line is correctly categorized. Informative lines should typically be of a specific category that allows for comments or additional information.
  
  
  Modify Line Item: If you have mistakenly assigned a different line category to the informatory line, change it back to the appropriate category. This may involve editing the line item in the document to ensure it aligns with the expected categories.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on line item categories specific to the transaction you are working with. This can provide clarity on what categories are acceptable for informatory lines.
  
  
  Check Configuration: If you have access to configuration settings, check the settings for the document type you are working with. Ensure that the configuration allows for informatory lines and that the categories are set up correctly.
  
  
  User Authorization: Ensure that you have the necessary authorizations to make changes to the document. Sometimes, restrictions can lead to errors when trying to modify line items.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this error.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., ME21N for purchase orders, VF01 for billing documents) to navigate the system effectively.
  Training and Documentation: Consider additional training or resources on document processing in SAP to better understand line item categories and their implications.
  
  By following these steps, you should be able to identify the cause of the SE312 error and implement a solution to resolve it.