500 - An error has occurred

when i log in in backend of my website when i navigate to article i get this error
“500 - An error has occurred.
JHtml behavor not found.
[Return to Control Panel]” i’m using joomla
any one can help me

If you want help, you need to fill out the template.

What is your URL?

http://englishcourse.epizy.com/

I see an error about open_basedir, and that is not supported here. Please see this topic:

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