SAP Message 3W636 - Tax year &1 is incomplete for period modifier &2

Diagnosis
The tax year &V1& is not completely maintained in T549Q for periodmodifier &V2&.

System Response
To determine the attributes of a tax year, the system requires thattable T549Q (Payroll Periods) is maintained for the complete tax yearand that at least the first period of the next year is maintained.
This is to ensure consistency in the maintenance of payroll periods.

Procedure
Please run the report RPUCTP00 : Generate PayrollPeriods for the tax year &V1& and for the next tax year.