Message type: E = Error
Message class:  FI - TR-FM Funds Management 
Message number: 590
Message text: Account assignment item &/& does not exist
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
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Error message extract from SAP system. Copyright SAP SE.
The SAP error message FI590 ("Account assignment item &/& does not exist") typically occurs in the Financial Accounting (FI) module when there is an issue with the account assignment in a financial document. This error indicates that the system cannot find the specified account assignment item, which may be due to various reasons.
Causes:
Incorrect Account Assignment: The account assignment specified in the document does not exist in the system. This could be due to a typo or an incorrect reference.
Missing Master Data: The relevant master data (such as cost centers, internal orders, or profit centers) may not be created or may have been deleted.
Document Type Restrictions: The document type being used may not allow the specified account assignment.
Authorization Issues: The user may not have the necessary authorizations to access the specified account assignment.
Configuration Issues: There may be configuration settings in the system that restrict the use of certain account assignments.
Solutions:
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