Message type: E = Error
Message class:  HR001PL - HR: Messages for Poland 
Message number: 088
Message text: Invalid tax threshold indicator in period & - & in table T7PLI0.
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The SAP error message HR001PL088, which states "Invalid tax threshold indicator in period & - & in table T7PLI0," typically occurs in the context of payroll processing in the SAP HR module, particularly when dealing with Polish payroll configurations. This error indicates that there is an issue with the tax threshold indicator that is being referenced in the payroll run.
Cause: Invalid Configuration: The tax threshold indicator being used in the payroll run does not exist or is not valid for the specified period in the T7PLI0 table, which is used for Polish payroll tax thresholds. Missing Data: The necessary entries for the tax threshold indicator may be missing in the T7PLI0 table for the relevant period. Incorrect Period: The payroll period being processed may not align with the valid periods defined for the tax threshold indicator in the configuration.
Solution: Check T7PLI0 Table: Access the T7PLI0 table in the SAP system and verify that the
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