Message type: E = Error
Message class:  HRPSGB_HER - HR PS GB Higher Education Messages (USS, HESA etc) 
Message number: 310
Message text: If 2nd Source Code is blank than 3rd must be blank
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The SAP error message HRPSGB_HER310 typically occurs in the context of HR (Human Resources) module configurations, particularly when dealing with source codes for employee records or payroll processing. This error indicates a validation rule that enforces a relationship between the second and third source codes in the system.
Cause: The error message "If 2nd Source Code is blank then 3rd must be blank" suggests that there is a validation rule in place that requires the third source code to be blank if the second source code is not filled in. This is likely a business rule or configuration setting that ensures data integrity and consistency in the HR records.
Solution: To resolve this error, you can take the following steps: Check the Input Data: Review the data you are trying to input or process. Ensure that if the second source code is left blank, the third source code is also left blank. Update the Records: If
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