My steam acc is conecteed to anther faciet acc and i dont know how i use to play faciet 2 years ago now im back and this happend

iv been playing csgo for almost 5 years and i hade a brake of 2 years from game i want to come back to login faciet and it tells me my steam acc conecter to anther faciet acc that i never playied faciet only with this acc and my steam acc… and it wont let me in… cna u help me solve the problem please. sorry for bad english im not a english good langue