Error: UUID is empty

Settings example:
UUID 71b99201-3cee-021b-533c-c13dab5ac5a0
WS_PATH /d52iox4k
XHTTP_PATH /y8418a7k

WebSocket config.json:
https://mega-1i4.pages.dev/d52iox4k/?fragment=true&uuid=71b99201-3cee-021b-533c-c13dab5ac5a0

XHTTP config.json:
https://mega-1i4.pages.dev/y8418a7k/?fragment=true&uuid=71b99201-3cee-021b-533c-c13dab5ac5a0

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