How to replace a fuel filter on my Toyota Corolla 1.3 professional, 2010 model. on 2010 Toyota Corolla

I sent my car to a mechanic to fit in a new fuel filter. He removed the old one, and when trying to replace a new one the cap does not want to catch tread. Even if he put an old one it does not.

Asked by for the 2010 Toyota Corolla