When exactly does this error pop up?
Since you mentioned you were trying to submit an e-mail support request, does it happen immediately after you click this e-mail support link?:

Or does the message pop up when selecting a dropdown item from this screen?:

Our web developers can better address this if we can pinpoint when and where exactly this error shows up.
Does this happen in different browsers? What browsers have you tried?
Your cooperation, patience, and understanding are much appreciated.
Thanks,
Liz
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