Message type: E = Error
Message class:  HRASR00_GENSERV - Generic Service Messages 
Message number: 003
Message text: Missing UI field assignment for field &1 of service &2 field group &3
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The SAP error message HRASR00_GENSERV003 indicates that there is a missing UI field assignment for a specific field in a service. This typically occurs in the context of SAP's HR (Human Resources) applications, particularly when working with the SAP Fiori or Web Dynpro applications that utilize the HR Application Service.
Cause: The error is usually caused by one of the following issues: Field Configuration: The field in question is not properly configured in the service definition. This could mean that the field is not assigned to the correct field group or that it is missing from the UI configuration. Service Definition Issues: The service itself may not have been defined correctly, leading to missing assignments for certain fields. Transport Issues: If the service was transported from one system to another (e.g., from development to production), there may have been issues during the transport that caused the field assignments to be lost or not properly configured. Custom
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