Message type: E = Error
Message class:  PTRA_DIALOGUE - HR TRAVEL: Messages for Trip Costs Dialog 
Message number: 089
Message text: Trip &1 (personnel no. &2) was created in an external system
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The SAP error message PTRA_DIALOGUE089 indicates that a trip (in this case, identified by the trip number &1 and associated with personnel number &2) was created in an external system. This typically occurs in the context of SAP Travel Management when there is an attempt to process or modify a trip that was not created within the SAP system itself.
Cause: External System Integration: The trip was created in an external system (like a third-party travel management tool) that is integrated with SAP. This can happen if the organization uses multiple systems for travel management. Data Synchronization Issues: There may be issues with data synchronization between the external system and SAP, leading to discrepancies in trip data. User Permissions: The user may not have the necessary permissions to modify or view trips created in an external system.
Solution: Check Trip Creation Source: Verify if the trip was indeed created in an external system. If so, you
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