Error: UUID is empty

Settings example:
UUID 2c7b0765-5394-9619-3bed-5a7fbf21fee7
WS_PATH /mu31all4
XHTTP_PATH /a8w23rwf

WebSocket config.json:
https://giga-bkx.pages.dev/mu31all4/?fragment=true&uuid=2c7b0765-5394-9619-3bed-5a7fbf21fee7

XHTTP config.json:
https://giga-bkx.pages.dev/a8w23rwf/?fragment=true&uuid=2c7b0765-5394-9619-3bed-5a7fbf21fee7

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