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Just to elaborate, some of our sites that we host get thousands of visitors per hour, and they don't get the max_user_connections error. The reason why is they close their mysql connection immediately as soon as they're done using it. If each mysql connection is only open for a few milliseconds the chance of seeing that error is very small. If you use persistent connections and don't close them then you will only be able to have 6 users at a time. This limit is in place to keep one account from hogging all of the mysql connections and causing slow performance or downtime for the other thousands of accounts that share your server.

Bottom two images, CSS is a style sheet for the web and on the left it is correct, it rendered as expected on the left but it doesn't render correctly on the right because it doesn't fit.

Unblocked. It can take up to 10 minutes to be effective.