Message type: E = Error
Message class:  HRPSGB_ME - Multiple Employment Errors & Warnings 
Message number: 204
Message text: Non-primary payroll period is before start of primary contract
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The SAP error message HRPSGB_ME204 indicates that there is an issue with the payroll period configuration in relation to an employee's primary contract. Specifically, this error occurs when a non-primary payroll period is set to a date that is earlier than the start date of the employee's primary contract.
Cause: Incorrect Payroll Period Configuration: The payroll period for a non-primary contract is set to a date that precedes the start date of the primary contract. Data Entry Error: There may have been a mistake during data entry, where the dates were incorrectly inputted. Contract Changes: Changes to the employee's primary contract (like a new start date) may not have been reflected in the non-primary payroll periods.
Solution: Check Contract Dates: Verify the start date of the primary contract for the employee. Ensure that all non-primary payroll periods are set to dates that are equal to or later than this date. Adjust Payroll Periods: If the non-primary
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