Error: UUID is empty

Settings example:
UUID 3274ded4-7161-525c-848b-44a6b78ec9b6
WS_PATH /wub3c9fm
XHTTP_PATH /aveu3ck6

WebSocket config.json:
https://mega-1i4.pages.dev/wub3c9fm/?fragment=true&uuid=3274ded4-7161-525c-848b-44a6b78ec9b6

XHTTP config.json:
https://mega-1i4.pages.dev/aveu3ck6/?fragment=true&uuid=3274ded4-7161-525c-848b-44a6b78ec9b6

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