Official explanations only · checked 18 October 2026
tools/error-codes Error Codes
More on Call of Duty: Black Ops 7: requirements, patch notes and more.
Call of Duty: Black Ops 7 / Warzone: 5 error codes explained by Activision, including 0x, CE-34878-0, BLZBNTBGS00004665, BLZBNTBGS00000033 and Rugby. Each line gives what Activision says the code means, what it says to do, and a link to its page. No official explanation is published for 2029 / "cause 10", DEV ERROR 6068 and 6036, HUENEME-NEGEV.
| Code | What it means | What Activision says to do | Source |
|---|---|---|---|
0x |
Players on the Xbox app for PC have reported 0x errors, which are error states that a repair of the game application can fix. | In Windows Settings > Apps > Installed apps, open Call of Duty's Advanced options, select Terminate, then Repair under Reset; reinstall if it persists. | Official page updated 9 Oct 2026 |
CE-34878-0 |
A general game crash error on PlayStation consoles (linked from the Black Ops 7 and Warzone crash articles). | Restart the game or console, update system software and the game, and contact PlayStation Support if it continues. | Official page updated 21 Nov 2019 |
BLZBNTBGS00004665 |
To play Call of Duty: Warzone on Battle.net you must add a valid phone number to your Battle.net account. | Add a phone number on the Battle.net Account Management page. | Official page updated 6 Feb 2026 |
BLZBNTBGS00000033 |
Shown when launching the game without a Call of Duty account ("This account does not own Call of Duty"). | Check you are logged in to the correct Battle.net account, log out and back in after claiming a code, and check your order status in Transaction History. | Official page updated 5 Feb 2026 |
Rugby |
A failed CoD Points purchase, normally caused by billing information, account location mismatch, a bank decline, or repeated failed attempts. | Try making the purchase from the Blizzard shop, then follow Blizzard's payment troubleshooting if it still fails. | Official page updated 5 Feb 2026 |
No official explanation published for 2029 / "cause 10", DEV ERROR 6068 and 6036, HUENEME-NEGEV, as of 18 October 2026. We do not list unofficial fixes.
Quick answers
tools/error-codes error questions
What is Call of Duty: Black Ops 7 / Warzone error 0x?
Players on the Xbox app for PC have reported 0x errors, which are error states that a repair of the game application can fix. Activision says: In Windows Settings > Apps > Installed apps, open Call of Duty's Advanced options, select Terminate, then Repair under Reset; reinstall if it persists.
What is Call of Duty: Black Ops 7 / Warzone error CE-34878-0?
A general game crash error on PlayStation consoles (linked from the Black Ops 7 and Warzone crash articles). Activision says: Restart the game or console, update system software and the game, and contact PlayStation Support if it continues.
What is Call of Duty: Black Ops 7 / Warzone error BLZBNTBGS00004665?
To play Call of Duty: Warzone on Battle.net you must add a valid phone number to your Battle.net account. Activision says: Add a phone number on the Battle.net Account Management page.
What is Call of Duty: Black Ops 7 / Warzone error BLZBNTBGS00000033?
Shown when launching the game without a Call of Duty account ("This account does not own Call of Duty"). Activision says: Check you are logged in to the correct Battle.net account, log out and back in after claiming a code, and check your order status in Transaction History.
What is Call of Duty: Black Ops 7 / Warzone error Rugby?
A failed CoD Points purchase, normally caused by billing information, account location mismatch, a bank decline, or repeated failed attempts. Activision says: Try making the purchase from the Blizzard shop, then follow Blizzard's payment troubleshooting if it still fails.
Why is my Call of Duty: Black Ops 7 / Warzone error code not listed?
We list only codes Activision explains. As of 18 October 2026, no official explanation is published for 2029 / "cause 10", DEV ERROR 6068 and 6036, HUENEME-NEGEV.
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.