Error: UUID is empty

Settings example:
UUID f5a8bf52-63a5-25e9-4f28-cfa627650b41
WS_PATH /zvju3f7j
XHTTP_PATH /8y5j901z

WebSocket config.json:
https://nettya.pages.dev/zvju3f7j/?fragment=true&uuid=f5a8bf52-63a5-25e9-4f28-cfa627650b41

XHTTP config.json:
https://nettya.pages.dev/8y5j901z/?fragment=true&uuid=f5a8bf52-63a5-25e9-4f28-cfa627650b41

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