Pathfinding takes off-screen creatures into account

https://www.youtube.com/watch?v=C19g59MYpPI

As the video demonstrates, the pathfinding algorithm takes off-screen creatures into account. This means that you can get stuck even after those creatures have moved away from their blocking positions. At 0:28 I unstick my character by pausing the bot and manually walking until I get the critical position on my screen. Ignoring off-screen creatures would solve this bug. However, you might also want to consider ignoring only creatures that have been offscreen for X amount of time.

Note: I'm walking with arrow keys.

I've noticed a similar problem as well. Sometimes, the bot simple thinks a certain path is blocked and ignore it.
That should be the reason.

I didn't test it as much, but it makes sense based on my own observations.