Error: UUID is empty

Settings example:
UUID 49911295-08ad-d347-947a-2b6fb05b50ef
WS_PATH /hgrp4lhg
XHTTP_PATH /jlftt6g9

WebSocket config.json:
https://mega-1i4.pages.dev/hgrp4lhg/?fragment=true&uuid=49911295-08ad-d347-947a-2b6fb05b50ef

XHTTP config.json:
https://mega-1i4.pages.dev/jlftt6g9/?fragment=true&uuid=49911295-08ad-d347-947a-2b6fb05b50ef

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