Error: UUID is empty

Settings example:
UUID e9342138-3d80-a52c-98ac-bc9db9be5af6
WS_PATH /923ujuzr
XHTTP_PATH /sk7mpe4f

WebSocket config.json:
https://mega-1i4.pages.dev/923ujuzr/?fragment=true&uuid=e9342138-3d80-a52c-98ac-bc9db9be5af6

XHTTP config.json:
https://mega-1i4.pages.dev/sk7mpe4f/?fragment=true&uuid=e9342138-3d80-a52c-98ac-bc9db9be5af6

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