HR payroll: termination in operation error rule xval

Hi experts

i am getting error when i am processing payroll by simulation. kindly guide me. how to reslove this issue.

PIT XVAL P10 Valuate pay elements

5 Processing U

U Termination in operation ERROR

20101001

XVAL3***** ERROR # = = = =

Basic entry in IT :

thnxs

aditi