whtsapp is not working on my s4
I have samsung galaxy s4 and i use a whtsaapp on it.but last few days its suddenly stop.and when i try to start it says your mobile no.is no longer allow to use our services.i uninstall it and re download it and install but same problem.i aredy force stop and clear cache and data but its not working.nd when i try to do with other no its working.but i want to start with my no not with others. now what to do ?????? guysss pls pls pls help me...