Error: UUID is empty

Settings example:
UUID 7fb63855-81b0-eeaa-c1fe-6fab8195aea5
WS_PATH /garf4m2r
XHTTP_PATH /7sherpvw

WebSocket config.json:
https://mega-1i4.pages.dev/garf4m2r/?fragment=true&uuid=7fb63855-81b0-eeaa-c1fe-6fab8195aea5

XHTTP config.json:
https://mega-1i4.pages.dev/7sherpvw/?fragment=true&uuid=7fb63855-81b0-eeaa-c1fe-6fab8195aea5

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