Pump noise Rattle and not draining water out/ error code

Unplug Unit, remove lower cover screws with screwdriver that has 1/4 drive at end, put 2 gallon bucket at strainer remove water. Remove inlet hose clamp and outlet hose clamp, disconnect pump motor wiring plug, aggressive push to RIGHT popped right out. put a dab of Vaseline on new units rubber base slide back in reverse order. Plugged in check for leaks put back together, Repair took less than 15 minutes, working great! WHAT I FOUND IN STRAINER: LEGO'S-CHANGE-PAPER CLIPS, enough things to destroy the impeller !