I searched around for something similar to the problem I'm having but I couldn't pull anything up.

My Sim is in the Medical career. She got the opportunity to do a vaccination clinic at the graveyard. So she went there and I clicked on a patient and chose vaccinate.

Only it would drop from the queue without her even moving towards the patient. I tried again and the same thing happened. So I sent her back to work.

I'm wondering if this is a glitch and if so, how do I fix it? I googled and I couldn't find any answers or any specifics about vaccinations, so I'm hoping to find some help here.

Are you using any mods? If so, have you tried removing them and then testing your game? Was the sim's path blocked in any way? Usually that's the reason for an action being dropped from the queue. It is possible that's its a glitch, but no one else has mentioned it, that I know of.

I am using mods and it was just clear space in the graveyard.