I cant access Facebook chat in any of these apps Nimbuzz ,Ebuddy?

[Salim]

i can't access facebook chat in mobile. if i try to connect facebook chat through nimbuzz, ebuddy or yahoo messenger. it shows " your account in temporarily unavailable in mobile. please log in into the computer to regain the access". please help me...
I have tried logging in from computer and i get the same error

[Irfan]

I think your facebook has set security or block, so that's why you can not login your facebook with nimbus. I suggest you first login from your computer then, see if you have any notification you find or not about block or you can remove security.