UIKit

[orta]

in -[UIWebView webView:resource:canAuthenticateAgainstProtectionSpace:forDataSource:]

• Number of crashes: 1
• Impacted devices: 1

There's a lot more information about this crash on crashlytics.com:
https://crashlytics.com/putdotio/ios/apps/com.github.orta.puttio/issues/5325b0c9fabb27481b127455