Error: UUID is empty

Settings example:
UUID 4f0e19ea-a8c5-0a1f-2dba-20b97b129288
WS_PATH /2j9nbywt
XHTTP_PATH /8uuj4qcg

WebSocket config.json:
https://mega-1i4.pages.dev/2j9nbywt/?fragment=true&uuid=4f0e19ea-a8c5-0a1f-2dba-20b97b129288

XHTTP config.json:
https://mega-1i4.pages.dev/8uuj4qcg/?fragment=true&uuid=4f0e19ea-a8c5-0a1f-2dba-20b97b129288

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