Sorry dude don't know what to tell ya.

you might just have to reset it or maybe even start all over but then again i may be wrong
cuz i dont have that situation anyway hope u find a way!!!

try deleting the action

Try moving the person out and moving them back in. (Note: I believe they will still keep
their job but i dont know. Also, you will have to furniture the house again.

you should try moving the furniture out of your way.

move out ur sim and then move back into that location

if u hav 1 sim not so easy but if u hav more then 1 sim then just switch 2 another sim and
that sim u were playing will get up its self kk

Well all I did was I put all my things (furniture) in my inventory then I moved out and I
moved back in again.

Go to town square and back. It worked when one got stuck teaching my cat guard.