Whenever i play the game hidenly disconnect

Hi, When im playing Wow on the server my session is disconnected without any warnings after aprox 15 minutes, its making game and specially raids not playable. I dont have connection issues as im writing to you with same connection without any issues, symptoms are:
I play the game and out of sudden i am not able to interact with any object/monster/npc, but i still can move inside game (perhaps not recorded)