Field cannot be empty.. oc. to gym is used for I Getting in shape I Telling people you go to gym. i go to the gym for the weirdest reason i guess. ive had a very rare syndrome my whole life and it caused my kneecap to pop out everytime i bent my knee. (a con Field cannot be empty oc to gym is used for I Getting in shape Telling people you go i the weirdest reason guess ive had a very rare syndrome my whole life and it caused kneecap pop out everytime bent knee (a con