Random red keyblocks in a vanilla room

[aki-art]

Describe the bug Found random floating red blocks in a vanilla room.

To Reproduce can't rewalking the same seed did not reproduce

Console Errors and Logs log.txt

[INFO] - Lua Debug: [StageAPI:71]ERROR:...tageapi15_1348031964/scripts/stageapi/core/callbacks.lua:211: attempt to index a nil value (field 'AscentData')
[INFO] - Lua Debug: [StageAPI:71]ERROR:...tageapi15_1348031964/scripts/stageapi/core/callbacks.lua:211: attempt to index a nil value (field 'AscentData')
[INFO] - [warn] Pickup variant 666 not implemented yet!
[INFO] - Lua mem usage: 68177 KB and 548 bytes
[INFO] - Lua Debug: [Fiend Folio:19]ERROR:...o-reheated_2851063440/ffscripts/players/golem_subway.lua:77: attempt to index a nil value (local 'defaultMap')

Screenshots

Possibly relevant, I passed this room earlier in the run, with the same blocks present

Additional context Seed: E04LZD7V Mods I'm running that aren't just visual:

• Custom Stage API
• Mod Compatibility Hack
• Mod Error Container
• Mod Config Menu Continued
• Da Rules (no rules active)
• Forget me in 3s
• Fiend Folio: Reheated
• Rune Rooms
• The Deleted