Error when checking into Habbo Retro

[astrobacco]

Hello, my friend has a Problem when checking in or in the middle of playing.

(see files)
You can see he comes into the folders with all the swfs why is that so and why isnt it happening to me?
how can i fix this?

Thanks for the help.

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[ItsMeRomian]

probly his client crashed. check your emu for errors, or, recreate the situation and check chrome devtools