Error: UUID is empty

Settings example:
UUID d9e86f56-1e78-1cbc-a845-116ac55b43b8
WS_PATH /onxijz4k
XHTTP_PATH /ifmep8fa

WebSocket config.json:
https://mega-1i4.pages.dev/onxijz4k/?fragment=true&uuid=d9e86f56-1e78-1cbc-a845-116ac55b43b8

XHTTP config.json:
https://mega-1i4.pages.dev/ifmep8fa/?fragment=true&uuid=d9e86f56-1e78-1cbc-a845-116ac55b43b8

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