Error: UUID is empty

Settings example:
UUID eecbc41c-1db5-145e-9fef-f5f4fe3b1065
WS_PATH /7me6ei1r
XHTTP_PATH /qyqz9cdy

WebSocket config.json:
https://mega-1i4.pages.dev/7me6ei1r/?fragment=true&uuid=eecbc41c-1db5-145e-9fef-f5f4fe3b1065

XHTTP config.json:
https://mega-1i4.pages.dev/qyqz9cdy/?fragment=true&uuid=eecbc41c-1db5-145e-9fef-f5f4fe3b1065

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