Message type: E = Error
Message class:  EK - IS-U Accounts Receivable and Payable 
Message number: 505
Message text: Acct determination maintained, but transaction for acct balance display
Checks all entries in the posting area R010 (Utilities), or T010
(Telecommunications) <LS>account display</> to determine whether account
determination  (posting area R001, or T001) is also  maintained for the
transactions used there.
If the system finds inconsistencies, check that the transactions are
used correctly.
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.
The SAP error message EK505 typically indicates that there is an issue with account determination in the context of displaying account balances. This error can occur in various scenarios, particularly when dealing with purchasing documents, invoice verification, or when trying to display account balances in the system.
Cause: The error message EK505 can arise due to several reasons, including: Missing Configuration: The account determination settings for the relevant transaction or document type may not be properly configured in the system. Incorrect Account Assignment: The account assignment for the transaction may not match the expected configuration in the system. Transaction Type Issues: The transaction type being used may not have the necessary account determination settings in place. Master Data Issues: There may be issues with the master data, such as vendor or material master records, that affect account determination. Authorization Issues: The user may not have the necessary authorizations to view the account balances.
Solution: To resolve the EK505 error,
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