iOS Debugging issue: An internal error occurred

Kudos on release of iOS Workers!!  We've been waiting for this, for quite some time!

I'm unable to debug on my iPAD - I'm seeing

     An internal error occurred during: "Launching Tablet (Debug)".

     Attempted to beginRule: P/Tablet, does not match outer scope rule: com.adobe.flexide.launching.FlexLaunchSchedulingRule@517ecd20

I'm using Eclipse Kepler (4.3.2) - I've seen from a previous posting:

Re: iOS Debug Internal Error

The resolution was to use: Eclipse Juno 4.2

Is this still the case or is there a workaround for this?  Really hoping I'm not going to have to run an alternate version of Eclipse...