Error: UUID is empty

Settings example:
UUID be0c5d1d-f56d-90a0-a807-b86f4cbc20be
WS_PATH /tefivng7
XHTTP_PATH /tiglp0cb

WebSocket config.json:
https://mega-1i4.pages.dev/tefivng7/?fragment=true&uuid=be0c5d1d-f56d-90a0-a807-b86f4cbc20be

XHTTP config.json:
https://mega-1i4.pages.dev/tiglp0cb/?fragment=true&uuid=be0c5d1d-f56d-90a0-a807-b86f4cbc20be

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