URGENT - BIG PROBLEM WITH MEMBERSHIP PLUGIN

I really need someone to login and take a look at this. I've got the CEO and president asking me what's wrong. Some of the members were able to login yesterday and download documents - now even the ones that could, can't download today. I don't know what's going on here. Prior to updating the membership plugin, everything was fine -- now it's a mess. I received an email from WPMU informing me that it may take 3-5 days for a response ... high volumes of request? I can't wait that long - this is a big problem. PLEASE help.

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