Kopia UI will not open through xlaunch

Using Putty to an Ubuntu server, I can’t open the kopia UI anymore. Nothing has changed on my server or laptop but when I attempt to launch the UI I get the following error:

Checking for beta autoupdate feature for deb/rpm distributions
Found package-type: deb
10:51:22.721 › Error: Error: net::ERR_TUNNEL_CONNECTION_FAILED
at SimpleURLLoaderWrapper. (node:electron/js2c/browser_init:2:109574)
at SimpleURLLoaderWrapper.emit (node:events:514:28)
(node:455239) UnhandledPromiseRejectionWarning: Error: net::ERR_TUNNEL_CONNECTION_FAILED
at SimpleURLLoaderWrapper. (node:electron/js2c/browser_init:2:109574)
at SimpleURLLoaderWrapper.emit (node:events:514:28)
(Use kopia-ui --trace-warnings ... to show where the warning was created)
(node:455239) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see Command-line API | Node.js v21.7.3 Documentation). (rejection id: 1)