we had the same problem like 5 or 6 month ago … your charecter will stuck at loading screen when you try to go inside a dungen or passin SW portal or changing a zone .stuck at 70% loading screen for 5 min and server down alert …sometimes 100% screen . it wasnt only me … i beleive there is many many other players from all around the world with difrent country having the same problem . it took the bllizard 1 week to reply the post in froums . and as you can guess … same non sens and helpless solutaions … like repairing the game . interface . addons and bla bla bla … it took bllizard 2 mounth to confess that the problem is from bllizard side not the players … and finaly after 3 mounth the did fix the problem … and now again the same exaqt problem happend … i will get stuck when i use ice crown portals … SW portals … i havent walk into the shadow loand with any of my charecters yet after almost 24Hr . aaand i cant even open a ticket in game anymore unfortuanetly i am a guild master in ravencrest and my friends are almost lvl 60 already … anyway . i will link the post that belong to 6 month ago … you guys can see its a legendry post with 7 8k check .most stupid fact is they dont even care … as its just like 2 or maybe 4 % of theyr players having this problem …im completly sure no1 will answer me here … or IF by any chance they see this post and answer its the same non sens as befor . sending some non sens link that ask you to clear your WTF folder or flash your DNS this one is so painful as we are waiting for Shadowlands like snice 1year now . and i cant even walk thro the portal
here is the same link from 6 month ago with same problem .