How to report a player for cheating in Diablo III
Troubleshooting for error 315000
How to report a bug in Diablo III
This article explains the process of speaking to a Game Master (GM).
How to block communication from another player in Diablo III.
These errors can be caused by temporary server issues in a specific region.
Player reports they had heroes they use to play in Diablo III and they're now missing.