Sliding door detaching from wall! Rented flat help!!

Sliding door detaching from wall! Rented flat help!!

Sliding door detaching from wall! Rented flat help!!

The flat I'm currently renting has a sliding door and I've noticed it's detaching from the wall (I think). What can I fill these gaps and cracks with to ensure the door stops detaching and is sturdy?

by halr24

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