https://devzone.nordicsemi.com/f/nordic-q-a/75298/cat-tracker-authentication-error-on-account-creationHi, On new fresh delploy of cat Tracker web app, and asset tracker v2 aws without code change (i had a working version a week ago) Now i have authentication error message when creating new account. next is the message in chrome dev console : ConsoleLoggeren-USTelligent Community 13Tue, 25 May 2021 09:24:42 GMThttps://devzone.nordicsemi.com/thread/311378?ContentTypeID=1Tue, 25 May 2021 09:24:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dfac1f35-cc76-4d0a-b865-c5cdffee231bMarkus Tacker (he/him)<p>Thank you for reporting this and sorry for the inconvenience.</p> <p>This was caused by not having an integration test for the web app (I typically catch these issues in manual smoke tests), but I have&nbsp;now added an issue to add integration tests that go beyond &quot;does the app build?&quot;:&nbsp;<a href="https://github.com/NordicSemiconductor/asset-tracker-cloud-app-js/issues/298">https://github.com/NordicSemiconductor/asset-tracker-cloud-app-js/issues/298</a></p> <p>The root cause was the the App was using Amplify v4 but the Amplify React UI components pull v3 of Amplify so the configuration applied to the global (v4) Amplify instance is not available to them. Fixed in&nbsp;<a href="https://github.com/NordicSemiconductor/asset-tracker-cloud-app-js/commit/5a997f6ecad1bc3594e888971ea51d124e662539">github.com/.../5a997f6ecad1bc3594e888971ea51d124e662539</a></p><div style="clear:both;"></div>