Bug of the quest \ "Poet in disgrace \". Help advice (The Witcher 3: Wild Hunt)

Game-assembly from mechanics 1.31. main plot. Novigrad. Quest "Poet in disgrace". The dwarves gave the key to enter the house through a secret passage and expel the hunter and free Dandelion. Opened the basement, went down the stairs, went to the staircase that leads upstairs to the house and .. it is INACTIVE. I can’t climb it. I downloaded the quest from the beginning to the ode, took part in the ambush, reached the basement and again the stairs are inactive. Deleted the game. Saves are saved. I installed a similar repack from the khatab. and again the same thing - the staircase is not active. rescheduled from an ambush and the same thing. What to do7 help plz advice. sorry to quit the game when so much passed ((