World Not loading & Cross bows' arrows are glitchy

World not loading + Cross bows Glitchy
What I expected to happen was...:
Stick in the glass, just like normal bow and arrows do.
What actually happened was...:
It went through the glass, and went to the empty space behind it, and stay put in mid-air.
Steps to Reproduce:
1. Place glass.
2. Shoot crossbow
3. :/