Web UI Error: no web crypto support

[bdariusb]

version 1.8.0 of web ui, firefox/ms edge
version 4.0.3 of transmission on ubuntu server

When adding a torrent file this error is thrown but the file isn't added. Magnet links work fine

Uncaught (in promise) Error: no web crypto support
k http://192.168.1.127:9091/transmission/web/js/chunk-vendors.94715fc1.js:545
st http://192.168.1.127:9091/transmission/web/js/chunk-vendors.94715fc1.js:549
rt http://192.168.1.127:9091/transmission/web/js/chunk-vendors.94715fc1.js:549
parseBuffer http://192.168.1.127:9091/transmission/web/js/app.058545cd.js:1
filesLoaded http://192.168.1.127:9091/transmission/web/js/app.058545cd.js:1
readFiles http://192.168.1.127:9091/transmission/web/js/app.058545cd.js:1
handleFiles http://192.168.1.127:9091/transmission/web/js/app.058545cd.js:1
inputFile http://192.168.1.127:9091/transmission/web/js/app.058545cd.js:1
chunk-vendors.94715fc1.js:545:1354
filesLoaded http://192.168.1.127:9091/transmission/web/js/app.058545cd.js:1
AsyncFunctionThrow self-hosted:814
(Async: async)
readFiles http://192.168.1.127:9091/transmission/web/js/app.058545cd.js:1
InterpretGeneratorResume self-hosted:1413
AsyncFunctionNext self-hosted:810
(Async: async)
handleFiles http://192.168.1.127:9091/transmission/web/js/app.058545cd.js:1
inputFile http://192.168.1.127:9091/transmission/web/js/app.058545cd.js:1z