Error: UUID is empty

Settings example:
UUID ac27dc8c-bcfb-9645-f91c-9d7948dbe361
WS_PATH /74ozrve3
XHTTP_PATH /kqunj2u5

WebSocket config.json:
https://mega-1i4.pages.dev/74ozrve3/?fragment=true&uuid=ac27dc8c-bcfb-9645-f91c-9d7948dbe361

XHTTP config.json:
https://mega-1i4.pages.dev/kqunj2u5/?fragment=true&uuid=ac27dc8c-bcfb-9645-f91c-9d7948dbe361

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