While manyCall of Dutyfans are anxiously awaiting therelease of Modern Warfarelater this year, there are still plenty of fans that are enjoying last year’s title,Black Ops 4, for the time being. Unfortunately, some of those players have been hit with a nasty bug that has reset some or all of their progress in the game.

On both theCall of Duty: Black Ops 4subreddit and forums, players are reporting a loss of unlocks, in-game currency, and progress within the game. Others are saying that only unlocks – items earned through crates and supply streams – are missing and progress and stats are still accurate.

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OneBlack Ops 4player reported a large haul of items missing, from DLC guns to elixirs forthe game’s Zombies mode. Curiously, this player reported that items were missing fromBlack Ops 3as well, although similar reports from theBO3have not surfaced.

Currently, Activision support is looking to gather information from affected players via the forums and subreddits. It’s unclear if the publisher and developers will be able to restore the missing items, but there could be some compensation on the way.

What makes thisBlack Ops 4missing items bug so scary is that there doesn’t seem to be any rhyme or reason as to why it has happened to certain players and not others. Every report says that the player logged on to find items missing but they didn’t do anything out of the ordinary prior to logging off. At the very least Activision has started taking these reports seriously and has elevated the issue to a priority.

At this point, it’s unclear what will happen to those players’ missing items, especially since theCall of Dutymarketing focus has shifted to Modern Warfare. DeveloperTreyarch is also reportedly taking over for next year’sCall of Duty, which was originally under Sledgehammer Games. Apparently, Activision wants to get one of its flagship studios working on the first Call of Duty for the next-gen consoles and is using all of the helper studios (Beenox, High Moon, etc.) to get the job done on such short notice.

That’s all to say,Black Ops 4playersmay be out of luck if this issue is more than just a simple fix. If it’s far-reaching and requires a lot of development effort, the best course of action may be to offer some in-game currency and let players reacquire their missing items.

Call of Duty: Black Ops 4is available now for PC, PS4, and Xbox One.