Message type: E = Error
Message class:  FI - TR-FM Funds Management 
Message number: 813
Message text: Enter a commitment item
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The SAP error message FI813 ("Enter a commitment item") typically occurs in the context of financial transactions, particularly when dealing with budgetary control or commitment accounting in SAP. This error indicates that a commitment item, which is necessary for tracking budgetary commitments, has not been entered in the relevant transaction.
Cause:
Missing Commitment Item: The most common cause of this error is that the user has not entered a commitment item in the transaction. Commitment items are essential for budgetary control and are used to classify expenditures.
Configuration Issues: There may be configuration issues in the system where the commitment item is not properly defined or linked to the relevant account or transaction type.
Authorization Issues: The user may not have the necessary authorizations to access or enter commitment items.
Transaction Type: The transaction type being used may require a commitment item, and if it is not specified, the system will throw this error.
Solution:
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