Error: UUID is empty

Settings example:
UUID b8d3e9eb-cd3f-7b47-f8bd-a6b5ef6060c8
WS_PATH /xb6mapw1
XHTTP_PATH /txefneu8

WebSocket config.json:
https://mega-1i4.pages.dev/xb6mapw1/?fragment=true&uuid=b8d3e9eb-cd3f-7b47-f8bd-a6b5ef6060c8

XHTTP config.json:
https://mega-1i4.pages.dev/txefneu8/?fragment=true&uuid=b8d3e9eb-cd3f-7b47-f8bd-a6b5ef6060c8

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