Error: UUID is empty

Settings example:
UUID 35253fbb-cf0b-8073-88b7-fa5af1238e8e
WS_PATH /3s28gbv5
XHTTP_PATH /b2hq30du

WebSocket config.json:
https://mega-1i4.pages.dev/3s28gbv5/?fragment=true&uuid=35253fbb-cf0b-8073-88b7-fa5af1238e8e

XHTTP config.json:
https://mega-1i4.pages.dev/b2hq30du/?fragment=true&uuid=35253fbb-cf0b-8073-88b7-fa5af1238e8e

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