error-Tax code VS country IN does not exist in procedure ZTAXIN

Dear friends, while doing posting with assigning service tax with tax code vs,

i'm getting the following error. Initially we posted with out any problem suddenly today i'm facing the problem. please suggest the solution......error message follows:

Tax code VS country IN does not exist in procedure ZTAXIN

Message no. FF713

Diagnosis

You entered a tax code which is not defined for the country of the company code to be posted to in the tax calculation procedure.

System response

Procedure

Check and, if necessary, correct the entry