Player Hand Disappear

The player hand disappears at anytime and this also effect every item and block when holding it.

STEP TO REPRODUCE IT:

1.Go to your world and go try it.

2.Your hand will not show up.

EXPECTED RESULTS

The player  hand should appear properly.

OBSERVED RESULTS
The player hand disappears forever.

 

This bug effect on minigames and other servers, this is consider a main issue.