Error: UUID is empty

Settings example:
UUID bb239e74-1c1a-9f3c-652b-716055e782e5
WS_PATH /0lzgxl7e
XHTTP_PATH /4ogwex31

WebSocket config.json:
https://mega-1i4.pages.dev/0lzgxl7e/?fragment=true&uuid=bb239e74-1c1a-9f3c-652b-716055e782e5

XHTTP config.json:
https://mega-1i4.pages.dev/4ogwex31/?fragment=true&uuid=bb239e74-1c1a-9f3c-652b-716055e782e5

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