Error: UUID is empty

Settings example:
UUID dbfcabfd-5cb1-5aaf-489f-229fbc288a56
WS_PATH /pkfep6uk
XHTTP_PATH /vfmidtii

WebSocket config.json:
https://mega-1i4.pages.dev/pkfep6uk/?fragment=true&uuid=dbfcabfd-5cb1-5aaf-489f-229fbc288a56

XHTTP config.json:
https://mega-1i4.pages.dev/vfmidtii/?fragment=true&uuid=dbfcabfd-5cb1-5aaf-489f-229fbc288a56

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