I'm using the Divi theme from Elegant Themes (a great

I'm using the Divi theme from Elegant Themes (a great theme)
and its giving me a weird error in the <title> tag

<br /> <b>Warning</b>: Missing argument 2 for QA_Core::wp_title() in <b>/home2/mrgood/public_html/wp-content/plugins/qa/core/core.php</b> on line <b>607</b><br /> <br /> <b>Warning</b>: Missing argument 3 for QA_Core::wp_title() in <b>/home2/mrgood/public_html/wp-content/plugins/qa/core/core.php</b> on line <b>607</b><br />

any idea how to fix this?