Is Mtn IDB plan still valid in Canada?

Why can't i receive or make calls with my Nigerian Mtn sim card here in the UAE? I have tried to reconnect my MTN Nigeria and is not coming up. I also enter the number in MTN...

I can't create a transfer pin, they keep telling me to use a valid...

Please, I am presently in Canada. I have tried to Linked my MTN to the NIN with no way out. My line has been blocked.. My MTN is 08038011583. Please I need help