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Error 24 Unexpected error - Please file a bug report at http://bugzilla.xamarin.com. Reason: System.IO.DirectoryNotFoundException: Could not find a part of the path "Y:\Documents\Xamarin\3Wire\WebStore-Main\WebStoreMobile\Android\IMI.Webstore.Mobile.Android\obj\Debug\__library_projects__\ScanditSDK\library_project_imports\scanditsdk-enterprise-premium-android_3.5.3\SimpleSampleProject\libs\scanditsdk-barcodepicker-android-3.5.3.jar" IMI.Webstore.Mobile.Android
The problem is that the path we're generating ("Y:\.." is 271 characters) exceeds MAX_PATH (260).
We need to update how we generate directory names so that our paths are shorter.
@Jason: In the meantime, you would need to shorten the path by at least 11 characters, e.g. by removing the "WebStore-Main" directory, resulting in "Y:\Documents\Xamarin\3Wire\WebStoreMobile\...".
Not exactly a MSBuild problem; component directory naming strategy is determined by the component team (or whoever not me, you should ask someone else, jonp).
Some changes have been made in the Xamarin.Android toolchain to reduce the number of characters used for __library_projects__.
I am able to build an Android app with your root path.