Message type: E = Error
Message class:  HRPAYAT_KSB - Messages for Sick Leave Certificates 
Message number: 156
Message text: IT3248, IT2001: Tables not sorted (&1 - &2)
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The SAP error message HRPAYAT_KSB156, which is associated with IT3248 and IT2001, indicates that there is an issue with the sorting of tables in the payroll process. This error typically arises when the system expects certain internal tables to be sorted in a specific order, but they are not.
Cause: Unsorted Internal Tables: The error usually occurs when the internal tables that are being processed (in this case, IT3248 and IT2001) are not sorted as required by the payroll program. Data Integrity Issues: There may be inconsistencies or missing data in the infotypes that are being processed, leading to the inability to sort them correctly. Custom Modifications: If there are custom enhancements or modifications in the payroll processing logic, they might interfere with the expected sorting order.
Solution: Check Sorting Requirements: Ensure that the internal tables IT3248 and IT2001 are sorted according to the required fields. Typically, this involves sorting by employee number and date. You can
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