Bug Reports

I am following 25 groups. at least of them is not finding any matching posts and I can see there are posts that should have qualified based on keywords. Why would a certain group be getting missed? It says 1094 posts scanned from that group in the settings page...

I paid for a subscription on April 2 and input the key. The system work for 1 1/2 days and now it says I do not have a valid key. The order receipt is attached. Please assist in getting my app back up and running.