What to do if you can't log in after patching WoW

Gold and items cannot be sent to another realm or faction

Information on error BLZ51901021

Information on error BLZ51900001

The request has timed out. There was an error switching heroes.

Other players and non-player characters display "Unknown" instead of their name.

Information on error BLZ51900002

WoW Token was misplaced or disappeared from inventory

Troubleshooting for latency and connection issues in Heroes of the Storm.

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