Message type: E = Error
Message class:  HRPAYAT_KSB - Messages for Sick Leave Certificates 
Message number: 155
Message text: IT3248, IT2001: Overlapping records (&1 - &2)
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The SAP error message HRPAYAT_KSB155 indicates that there are overlapping records in the infotypes IT3248 and IT2001. This typically occurs in the context of personnel administration and payroll processing when there are conflicting entries for an employee's data.
Cause: The error arises when there are two or more records in the specified infotypes that have overlapping validity periods. For example, if you have two entries in IT2001 (which is used for basic personal data) that cover the same time frame, or if there are entries in IT3248 (which is used for specific payroll-related data) that overlap, the system will throw this error to prevent inconsistencies in the data.
Solution: To resolve this error, you need to identify and correct the overlapping records. Here are the steps you can take: Identify Overlapping Records: Use transaction codes such as PA20 (Display HR Master Data) or PA30 (Maintain HR Master Data) to check the records in infotypes IT3248 and
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