Message type: E = Error
Message class:  56 - HR TRAVEL: Messages for Trip Costs Dialog 
Message number: 093
Message text: Error when reading personnel control record: No RFC destination
You use the ALE scenario 'Distribution of Travel Accounting results in
a separate payroll accounting system'.
The control record for payroll accounting could not be read in your
separate payroll accounting system because an error has occurred in
determination of the RFC destination.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Please contact your system administrator.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message 56093, which states "Error when reading personnel control record: No RFC destination," typically occurs when there is an issue with the Remote Function Call (RFC) destination configuration in the SAP system. This error is often encountered in scenarios involving communication between different SAP systems or between an SAP system and an external system.
Cause: Missing RFC Destination: The most common cause of this error is that the required RFC destination is not defined in the SAP system. This can happen if the destination was never created or if it was deleted or incorrectly configured. Incorrect Configuration: The RFC destination may exist but could be incorrectly configured, such as having the wrong connection parameters or credentials. Network Issues: There may be network connectivity issues preventing the SAP system from reaching the target system defined in the RFC destination. Authorization Issues: The user or service account being used to access the RFC destination
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