Error: UUID is empty

Settings example:
UUID 75623660-e1d5-4cf9-9778-7d82cc31d0d4
WS_PATH /015vkya4
XHTTP_PATH /rg17vpmz

WebSocket config.json:
https://mega-1i4.pages.dev/015vkya4/?fragment=true&uuid=75623660-e1d5-4cf9-9778-7d82cc31d0d4

XHTTP config.json:
https://mega-1i4.pages.dev/rg17vpmz/?fragment=true&uuid=75623660-e1d5-4cf9-9778-7d82cc31d0d4

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