Advance Custome field down the live site showing error failed to load get_field

My site got down yesterday , it shows some error like get_field missing error , and my site is not showing two page properly which is used advance custome field , and i enter into admin panel i see that my every plugin are deactivated , so i activated every plugin and check the site , the site now load those two page which shows me the error but now i am facing the images which are added through the custome fields is not showing up but the default content area which are in the post are showing my content but my custome field added details are not showing up , can some one help me for this issue will be very thankfull for this .