Chest Ammo box disappear!!!!!!!!!

Summary

Every time I enter my creative island, Chests and Ammo chests disappear almost everywhere! why is this very confusing!

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

World Building

Steps to Reproduce

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Expected Result

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Observed Result

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Platform(s)

xbox,ps4-5,windows,android,ios

Island Code

2756-7960-3919

Additional Notes

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I am having the same issue. When loading into an editor session, just as the session has almost launched all loot chests are being instantly deleted in game and UEFN (they are removed from the outliner and checking in shows them as being removed). This is applying to to all props from the Chest and Ammo Galleries for me.

Platform. Windows

Update: Also occurs with custom chests created from with the session (creative), and with the Fishing Rod Barrel prop.

Examples from output log:
LogActorLevelEditorSelection: Warning: SelectActor: The requested operation could not be completed because the actor has invalid flags. (Fishing Rod Barrel6) Flags: (0x00200001)
LogActorLevelEditorSelection: Warning: SelectActor: The requested operation could not be completed because the actor has invalid flags. (LootChest_9) Flags: (0x00200001)