No authorization for maintaining

hi

i am trying to enter the tcode VOFM system shows this massage

Authorization for displaying table TFRM only (authoriz. grp VS)

Message no. VP260

Diagnosis

You do not have the authorization for maintaining object S_TABU_DIS and the authorization group relevant for the table (maintained in table TDDAT).

System Response

No authorization for maintaining

Procedure

Enter the authorization for the object and the group in the user master record, if the user is to be authorized.

help