The error means that your $dbh variable is undefined. Since earlier you probably create your database connection and define this variable, it means a few possible problems:

• The DB server could be down.
• The DB server is unaccessible.
• The DB server user and password could have changed.

You should check the status of the server using command line tools to make sure that you can access it (authenticated if necessary). If the user and password have changed, that's easily fixed in your script, otherwise, you need to make sure your DB server is operating properly.

-----------------------------------------------------
Dr. Michael K. Neylon - mneylon-pm@masemware.com || "You've left the lens cap of your mind on again, Pinky" - The Brain
"I can see my house from here!"
It's not what you know, but knowing how to find it if you don't know that's important

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