Error: UUID is empty

Settings example:
UUID f56ecf48-2c33-c13f-017c-4056b5a40b45
WS_PATH /kx36wpga
XHTTP_PATH /kufqgtu4

WebSocket config.json:
https://giga-bkx.pages.dev/kx36wpga/?fragment=true&uuid=f56ecf48-2c33-c13f-017c-4056b5a40b45

XHTTP config.json:
https://giga-bkx.pages.dev/kufqgtu4/?fragment=true&uuid=f56ecf48-2c33-c13f-017c-4056b5a40b45

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