Had these filters for ages and they used to come off easily but now one of them seems to got stuck and I couldn't get it out. There doesn't seem to be any space to push and twist. Has this ever happened to anyone?!

Hi, good day rikk08. We do apologize for the inconvenience. To avoid any possible damages especially on the gimbal since it is already totally stuck, we highly recommend you to contact our support to open a ticket and for additional help with regards to this issue. You may refer to the link below. Thank you for your kind and understanding.

https://www.dji.com/support