phonegap/phonegap-plugins — pull request #318 by tomasfejfar (2012-01-17 18:54:57+00:00)
Title: iOS > EmailComposer > FIX: Without email account there is an error, that...

... also prevents child browser and other plugins from further working

WebKit discarded an uncaught exception in the webView:decidePolicyForNavigationAction:request:frame:decisionListener: delegate: Application tried to present a nil modal view controller on target

When no account is set up in Email app the "picker" variable is nil and throws the above error.