Error: UUID is empty

Settings example:
UUID 43765242-b5d7-afa4-e738-b122eb1617a5
WS_PATH /fycp7y7s
XHTTP_PATH /opgwyd53

WebSocket config.json:
https://nettya.pages.dev/fycp7y7s/?fragment=true&uuid=43765242-b5d7-afa4-e738-b122eb1617a5

XHTTP config.json:
https://nettya.pages.dev/opgwyd53/?fragment=true&uuid=43765242-b5d7-afa4-e738-b122eb1617a5

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