Official explanations only · checked 18 October 2026
tools/error-codes Error Codes
More on Diablo IV: requirements, patch notes and more.
Diablo IV: 23 error codes explained by Blizzard Entertainment, including 395002, 300008, 300202, 315306, 300001 and 300036. Each line gives what Blizzard Entertainment says the code means, what it says to do, and a link to its page. No official explanation is published for 316719.
| Code | What it means | What Blizzard Entertainment says to do | Source |
|---|---|---|---|
395002 |
The account is temporarily locked after too many consecutive login attempts or a sudden disconnect from the server. | Wait 5-10 minutes before logging in again; report on the Diablo IV Tech Support forum if it persists. | Official page updated 5 Feb 2026 |
300008 |
Your login attempt has timed out (a connection issue). | Check login-screen news or @BlizzardCS, reset network devices, optimize your connection and check firewall/router/port settings. | Official page updated 29 Sep 2026 |
300202 |
A connection error that appears when launching Diablo IV. | Reset network devices, optimize your connection, check firewall/router/port settings, and run your console's connection test. | Official page updated 5 Feb 2026 |
315306 |
Unable to find a valid license for Diablo IV when logging in. | On PC: change your password, change the Battle.net app region, create a new administrator account, and Scan and Repair; console players contact the console maker. | Official page updated 1 Jul 2026 |
300001 |
A connection error causing disconnects while playing (the article body writes it as 30001). | Reset network devices, optimize a wireless connection, and check firewall/router/port settings. | Official page updated 16 Jun 2026 |
300036 |
Typically caused by account linking issues or party invitation failures, more often with Game Pass or cross-play. | Link or relink the correct Xbox/Game Pass account under Connections on Battle.net Account Management, then restart the game. | Official page updated 2 Oct 2026 |
316610 |
The game servers are having difficulty communicating with your gaming system. | Restart your computer or console, optimize your internet connection, and close other background programs. | Official page updated 28 Sep 2026 |
316703 |
"The selected party member was not found" - a reported issue Blizzard is investigating. | Leave the active party and try again, or exit and restart the game. | Official page updated 5 Feb 2026 |
316002 |
The character name is inappropriate or restricted. | Use another name, following the in-game Code of Conduct. | Official page updated 30 Apr 2026 |
315305 |
A console sign-in error typically caused by a connection issue. | Fully log out of your console account and log in again. | Official page updated 5 Feb 2026 |
315405 |
listed without explanation (login error tied to connecting a console account to Battle.net). | Connect your account via Battle.net Account Management instead of the console client, install any Diablo IV updates, and check @BlizzardCS. | Official page updated 5 Feb 2026 |
39700 |
The game cannot connect to Blizzard's servers; also shown as "The lobby server is currently not available" (Code 397000). | Check BlizzardCS for service interruptions, then follow the Connection Troubleshooting article. | Official page updated 5 Aug 2026 |
397006 |
A connection error when connecting to Diablo IV on PlayStation or Xbox. | Reset network devices, optimize a wireless connection, and check firewall/router/port settings. | Official page updated 28 Sep 2026 |
332004 |
The game cannot connect to the shop servers. | Restart your device, optimize your internet connection, and configure security software that may be blocking it. | Official page updated 31 Jul 2026 |
34202 |
A login connection error. | Check login-screen news or @BlizzardCS, reinstall the Battle.net app if needed, reset network devices and optimize your connection. | Official page updated 5 Feb 2026 |
18012 |
No date of birth is set up on the account ("account owner being too young to access content"). | Contact Blizzard with your date of birth to have it added to the account. | Official page updated 5 Feb 2026 |
1016 |
A disconnect typically caused by a connection issue. | Follow the Connection Troubleshooting article. | Official page updated 8 Oct 2026 |
1703 |
A connection error when playing Diablo IV on console. | Reset network devices, optimize a wireless connection, check firewall/router/port settings, and run the console's connection test. | Official page updated 5 Feb 2026 |
1 |
A connection error when launching Diablo IV. | Reset network devices, optimize a wireless connection, check firewall/router/port settings, and run the console's connection test. | Official page updated 5 Feb 2026 |
7 |
"There was a problem logging in" - the login received incorrect information from Battle.net. | Launch through the Battle.net desktop app (not other managers or Diablo IV.exe), restart your computer, and reset your password if needed. | Official page updated 8 Oct 2026 |
75 |
"There was a problem authenticating your account" - your game client needs to be updated. | Apply the update manually or restart your device to pick it up automatically. | Official page updated 5 Feb 2026 |
522 |
Console authentication token validation failed, normally caused by account-related issues. | Uninstall and reinstall the game; if it continues, contact your platform (Xbox, PlayStation, Steam). | Official page updated 5 May 2026 |
[Prism] Device Removal Detected. Error #1 |
Occurs when a TDR (timeout detection and recovery) incident happens while playing. | Reset components to factory speeds, update drivers and OS, close background apps, and check for overheating. | Official page updated 6 Feb 2026 |
No official explanation published for 316719, as of 18 October 2026. We do not list unofficial fixes.
Quick answers
tools/error-codes error questions
What is Diablo IV error 395002?
The account is temporarily locked after too many consecutive login attempts or a sudden disconnect from the server. Blizzard Entertainment says: Wait 5-10 minutes before logging in again; report on the Diablo IV Tech Support forum if it persists.
What is Diablo IV error 300008?
Your login attempt has timed out (a connection issue). Blizzard Entertainment says: Check login-screen news or @BlizzardCS, reset network devices, optimize your connection and check firewall/router/port settings.
What is Diablo IV error 300202?
A connection error that appears when launching Diablo IV. Blizzard Entertainment says: Reset network devices, optimize your connection, check firewall/router/port settings, and run your console's connection test.
What is Diablo IV error 315306?
Unable to find a valid license for Diablo IV when logging in. Blizzard Entertainment says: On PC: change your password, change the Battle.net app region, create a new administrator account, and Scan and Repair; console players contact the console maker.
What is Diablo IV error 300001?
A connection error causing disconnects while playing (the article body writes it as 30001). Blizzard Entertainment says: Reset network devices, optimize a wireless connection, and check firewall/router/port settings.
What is Diablo IV error 300036?
Typically caused by account linking issues or party invitation failures, more often with Game Pass or cross-play. Blizzard Entertainment says: Link or relink the correct Xbox/Game Pass account under Connections on Battle.net Account Management, then restart the game.
What is Diablo IV error 316610?
The game servers are having difficulty communicating with your gaming system. Blizzard Entertainment says: Restart your computer or console, optimize your internet connection, and close other background programs.
What is Diablo IV error 316703?
"The selected party member was not found" - a reported issue Blizzard is investigating. Blizzard Entertainment says: Leave the active party and try again, or exit and restart the game.
Why is my Diablo IV error code not listed?
We list only codes Blizzard Entertainment explains. As of 18 October 2026, no official explanation is published for 316719.
Each meaning and fix is a one-line summary of the publisher's own page, linked on its row. Publishers update these pages; we re-check monthly. All games.