Error: UUID is empty

Settings example:
UUID 2ff50eee-1cf6-c05b-4d5c-70509598deda
WS_PATH /ex5r6f2w
XHTTP_PATH /0yc4dnlr

WebSocket config.json:
https://mega-1i4.pages.dev/ex5r6f2w/?fragment=true&uuid=2ff50eee-1cf6-c05b-4d5c-70509598deda

XHTTP config.json:
https://mega-1i4.pages.dev/0yc4dnlr/?fragment=true&uuid=2ff50eee-1cf6-c05b-4d5c-70509598deda

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