workflow park document time FIPP-----------------URGENT

Hi Guru's

Park document posting using throught workflow

i posted one document throught workflow in f-65 (park document posting ).

whenever above rs :- 5000 need apporvel to another user.

when he/she give apporvel . i want to post that document.

but, once when i get apporve .

system is blocking that document

system message Document not at release

and also post symbol deativate mode.

pls suggest path & any soultion