SAP Message 5G884 - General uplift on &1 in V_T5G03 not valid for start-of-year processing

Diagnosis
You have chosen to process a tax code uplift as part ofstart-of-year processing. You have specified to create new taxdata records as of &V1& and to also process general instructions toincrease or decrease tax codes (Apply general uplift) asspecified on form P9X and as delivered by SAP in view Tax Increaseand Limit for GB (V_T5G03).
For the date &V1&, however, an entry exists in this view that does notstart on 6 April and is, therefore, not intended for start-of-year butfor P7X-processing during the tax year.

System Response
The entries on the selection screen are rejected.

Procedure
Check your entries on the selection screen.
If you need to apply the P7X instructions valid for &V1& to your system,do not choose processing mode Start-of-year but Others.
If you need to apply P9X instructions for start-of-year, choose anearlier Validity begin for copied records where the P7Xinstructions do not apply yet.
If needed, check whether the entries in V_T5G03 are up to date in yoursystem.