Container Heist Grinder issue

The grinding animation started like 10 mins after I had tried to grind the container. Ended up falling through the ground. After doing the animation and going back to the container the container still was not opened.

Steps to reproduce:

1. Get container
2. Do hack/kill locals
3. Grind container - nothing happens, try again and it says someone else is grinding the container.
4. Leave the area, wait 10 mins and it starts the grinding animation.

5. Fall through the ground and get placed somewhere
6. Go back to the container, the doors still are not opened.

I also had all the locals spawn inside a container and never got the ping to get my grinder. I just used one another person had when they had the same issue happen to them stated above.