Message type: E = Error
Message class:  HRPSGB_HER - HR PS GB Higher Education Messages (USS, HESA etc) 
Message number: 012
Message text: UNSPECIFIED Customer ERROR occurred during User Exit (SEL)
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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The SAP error message HRPSGB_HER012, which indicates an "UNSPECIFIED Customer ERROR occurred during User Exit (SEL)," typically arises in the context of SAP HR (Human Resources) modules, particularly during the execution of user exits or enhancements that have been implemented in the system.
Cause: Custom Code Issues: The error often stems from custom code written in user exits or enhancements that are not functioning correctly. This could be due to logical errors, incorrect assumptions about data, or unhandled exceptions. Data Issues: The data being processed may not meet the expected criteria, leading to failures in the user exit logic. Configuration Problems: Incorrect configuration settings in the HR module can also lead to this error. Missing Authorizations: Sometimes, the user executing the transaction may not have the necessary authorizations, leading to unexpected behavior in user exits.
Solution: Debugging: The first step in resolving this error is to debug the user exit where the error occurs. You can set
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