How To Fix GK813 - Line item & not allowed, only & line(s) present

SAP Error Message - Details

• Message type: E = Error

• Message class: GK - Messages for SAP Consolidation

• Message number: 813

• Message text: Line item & not allowed, only & line(s) present

Self-Explanatory Message

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• What is the cause and solution for SAP error message GK813 - Line item & not allowed, only & line(s) present ?

  The SAP error message GK813 ("Line item & not allowed, only & line(s) present") typically occurs in the context of financial transactions, particularly when dealing with line items in documents such as invoices, purchase orders, or journal entries. This error indicates that the system is expecting a certain type of line item, but the provided line item does not meet the criteria set by the configuration or business rules.
  Cause:
  
  Line Item Type Mismatch: The line item being processed does not match the expected type defined in the configuration. For example, if the system expects a specific account type (like a revenue account) but receives a different type (like an expense account), this error can occur.
  Document Type Restrictions: Certain document types may only allow specific line items. If the line item does not conform to the allowed types for that document, the error will be triggered.
  Configuration Issues: There may be configuration settings in the SAP system that restrict the types of line items that can be processed together.
  Missing Master Data: If the master data (like account groups or cost centers) is not set up correctly, it can lead to this error.
  
  Solution:
  
  Check Line Item Type: Review the line item being processed and ensure it matches the expected type. You may need to change the line item or adjust the document type.
  Review Document Type Settings: Check the configuration for the document type you are using. Ensure that the line items you are trying to post are allowed for that document type.
  Adjust Configuration: If necessary, consult with your SAP configuration team to adjust the settings that govern line item types and document types.
  Validate Master Data: Ensure that all relevant master data is correctly set up and that the accounts or cost centers being used are valid for the transaction.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates that may address this specific error message.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like FB50 (for general ledger postings), MIRO (for invoice verification), or F-02 (for general postings) to replicate the issue and test solutions.
  SAP Documentation: Refer to SAP Help documentation for detailed information on line item processing and configuration settings.
  User Exits and BAdIs: If custom logic is involved, check for any user exits or BAdIs that might be affecting line item processing.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with your SAP support team or consult with an SAP expert for further troubleshooting.