4.1.0.GA causing An internal error occurred during: "Loading Platform Contents". java.lang.NullPointerException

after upgrading to 4.1.0GA i'm getting the following error when opening the tiapp.xml

An internal error occurred during: "Loading Platform Contents".
java.lang.NullPointerException
at com.appcelerator.titanium360.internal.core.Titanium360User.getStoredOrganizations(Titanium360User.java:222)
at com.appcelerator.titanium360.internal.core.Titanium360User.getOrganizations(Titanium360User.java:185)
at com.appcelerator.titanium360.internal.core.ThreeSixtyProject.isCurrentUserAuthorized(ThreeSixtyProject.java:594)
at com.appcelerator.titanium360.ui.tiapp.Titanium360TiappContributor.get360State(Titanium360TiappContributor.java:534)
at com.appcelerator.titanium360.ui.tiapp.Titanium360TiappContributor.updateControlsData(Titanium360TiappContributor.java:406)
at com.appcelerator.titanium.ui.ide.tiappEditor.TiAppContributorSection.updateControlsData(TiAppContributorSection.java:100)
at com.appcelerator.titanium.ui.ide.tiappEditor.AbstractTiAppSection.refresh(AbstractTiAppSection.java:162)

@mikewarnescom throws the following error during the upgrade
Error encountered during update
An error occurred while uninstalling
session context was:(profile=profile, phase=org.eclipse.equinox.internal.p2.engine.phases.Uninstall, operand=[R]com.appcelerator.titanium.feature.360.rcp_root 4.0.0.201505202026-867aFEkFGvmRb6X4eY1rvm8ONCXE --> null, action=org.eclipse.equinox.internal.p2.touchpoint.natives.actions.CleanupzipAction).
Backup of file /Applications/Appcelerator Studio/version.txt failed.
File that was copied to backup could not be deleted: /Applications/Appcelerator Studio/version.txt