i was adjusting the neck of my squier VM p bass(my favorite bass)
and suddenlt the hex key turned a lot

(like 1/3 of turn and i got really scared but then i looked and the truss rod did not move a bit

, then i tried to kepp adjusting and it worked fine for a while, but now the hex key is loose in the truss rod nut, it just slips away and doest "lock in"

HELP!! please!!

how can i solve this!!!

