Issue:
Error message is displayed when trying to open a Unity Pro project.

Product Line:
Unity Pro programming software

Resolution:
-  Is the project open in another session of Unity?
-  Go to the Windows Explorer. Right click on the project file and verify that the 'read only ‘ attribute is not set.
-  Is the Unityxl.ini file attribute set for ‘read only’?
-  Go to Tools – Options – Connection. Make sure that programming mode is set.
-  File - Open.  Make sure that 'read only mode' is not checked in the 'Open Options' in the lower left corner of the Open box.

Released for: Schneider Electric Macedonia