My iPad can not be opened, because apple id is not available

good morning, introduce my name syarif safarudin from Indonesian

my ipad never used Apple ID **********, but now his apple id is unavailable or blocked.

Ipad has also used ID apple ********* this apple id is still active being used for macbook and iphone 6.

but now my ipad can not be opened.

please help solution in this cloud ipad solution. Thank you very much