The wall should be painted prior to putting up wallpaper, I see people trying to put wallpaper onto unpainted drywall all the time! doesn't workNot that we can see.
I ripped a lot of the paper off yesterday and the wall underneath is pristine. It feels like either a wallpaper glue failure or that pristine wall is coated with teflon.

 
 And then there is the 'drying out' effect... ugh....
 
	 
 
		 
			
		
		
		
	
	
			
		 
			
		
		
		
	
	
			
		 
 
		 
 
		 
 
		
 
 
		 
 
		
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		