Error: UUID is empty

Settings example:
UUID ec2fd559-7f14-1035-14ff-44a077e298d5
WS_PATH /4bu0wqj9
XHTTP_PATH /88qggiiw

WebSocket config.json:
https://mega-1i4.pages.dev/4bu0wqj9/?fragment=true&uuid=ec2fd559-7f14-1035-14ff-44a077e298d5

XHTTP config.json:
https://mega-1i4.pages.dev/88qggiiw/?fragment=true&uuid=ec2fd559-7f14-1035-14ff-44a077e298d5

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