Message type: E = Error
Message class:  FI - TR-FM Funds Management 
Message number: 320
Message text: Company code was not entered in the function module interface
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The SAP error message FI320, which states "Company code was not entered in the function module interface," typically occurs when a function module that requires a company code parameter is called without providing this necessary information. This can happen in various scenarios, such as during the execution of financial transactions, report generation, or custom development.
Cause: Missing Company Code: The most common cause is that the company code parameter is not being passed to the function module when it is called. Incorrect Configuration: There may be issues with the configuration of the function module or the calling program. Custom Development Issues: If the error arises from a custom program or enhancement, it may be due to incorrect coding or logic that fails to set the company code. User Input: In some cases, the user may not have entered the company code in the relevant input fields.
Solution: Check Function Module Call: Review the code where the function
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