Waring Message at Listing Manager

Hello,
I’ve problem with my listings in Listing Manager of my Directorypress Responsive 5.5. A warning message appeared in all my listings as below:
Warning: sprintf() [function.sprintf]: Too few arguments in /home/malayye/public_html/wp-content/themes/DT/framework/class/class_admin.php on line 1129
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I worry it might affect the site’s performance.

Would appreciate any assistance to rectify it.

Thanks.