Error: UUID is empty

Settings example:
UUID 78f86bcb-0700-5b02-f6ef-46c99c75655d
WS_PATH /0pi3cee1
XHTTP_PATH /5trefyog

WebSocket config.json:
https://nettya.pages.dev/0pi3cee1/?fragment=true&uuid=78f86bcb-0700-5b02-f6ef-46c99c75655d

XHTTP config.json:
https://nettya.pages.dev/5trefyog/?fragment=true&uuid=78f86bcb-0700-5b02-f6ef-46c99c75655d

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