When Jessica drops the divining rod stick right before she faints and falls to the ground. She then dreams the vision of what happened in the past. Then she awakens and gets up without the stick. Then she is shown running while holding the stick. It never shows her pick up the stick.
Early in the movie when the group gathers at the water site, Gordon flubs his line by coming in too early and interrupting Jessica. She restarts and he then redelivers his.
When opening the coffin, the men pop out the hinge pins on the far side but It opens from the opposite side using the hinges..
The characters claim the farm is isolated. However, the openings credits show the farm is clearly on the outskirts of a small town.