Error: UUID is empty

Settings example:
UUID fcea93ed-f483-4266-0831-0a0872fa6ef6
WS_PATH /w0x2lj23
XHTTP_PATH /whhrq3ek

WebSocket config.json:
https://mega-1i4.pages.dev/w0x2lj23/?fragment=true&uuid=fcea93ed-f483-4266-0831-0a0872fa6ef6

XHTTP config.json:
https://mega-1i4.pages.dev/whhrq3ek/?fragment=true&uuid=fcea93ed-f483-4266-0831-0a0872fa6ef6

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