Plugin could not be activated because it triggered a fatal error

Just tried to activate the plugin and got that error...

Fatal error: Class 'RTDBUpdate' not found in ........./plugins/buddypress-media/app/main/RTMedia.php on line 758

HI Matt,

From where you had download the plugin?

From here:

Hi Matt,

That's strange. I just checked on fresh WordPress setup and it works without any error. Can you please try re-installing rtMedia again. Also check on fresh WordPress setup.