There's a problem with the connection to the Battle.net servers.
Information about problems getting a Primal Ancient in Diablo III
Troubleshooting for problems modifying guild member ranks.
Information about problems seeing items that are in your guild or personal bank
Troubleshooting steps for problems installing or patching Diablo Immortal
Information about problems with guild names after a guild service
Troubleshooting information for performance problems for Diablo IV on Console
Troubleshooting steps to resolve voice chat problems in Overwatch
Troubleshooting steps to resolve performance problems in Diablo III.
Troubleshooting steps for resolving network problems in World of Warcraft.