I will get in touch with the plugin author. It does appear to be a plugin issue though.
As for my other wordpress multisite woes (speed and not showing site stats) I have written the following below in other posts:
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I have found the solution to my woes! (Well I say solution more of an error that I caused)
I had added the "trick" for speeding up my dashboard; define('CONCATENATE_SCRIPTS', false );
Well turns out that after disabling every plugin, testing with no luck, returning my wp_config file back to normal ie deleting this line of code actually made a huge difference not just to speed the dashboard up, but it also started to show me how many sites I have in the network!