Error: UUID is empty

Settings example:
UUID 216eab23-37ea-84b0-964f-7ee2e723f407
WS_PATH /j4vppwlf
XHTTP_PATH /9axeccov

WebSocket config.json:
https://giga-bkx.pages.dev/j4vppwlf/?fragment=true&uuid=216eab23-37ea-84b0-964f-7ee2e723f407

XHTTP config.json:
https://giga-bkx.pages.dev/9axeccov/?fragment=true&uuid=216eab23-37ea-84b0-964f-7ee2e723f407

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