Error messages from the plugin

I recently installed new relic on my server. It reports this error:

call_user_func_array() expects parameter 1 to be a valid callback, class ‘Theme2Browser’ does not have a method ‘debugInfo’

We are using Theme2Browser only for IE.

Here’s our site:

http://www.israelvideonetwork.com/

Thanks!
Rena

https://ww.wp.xz.cn/plugins/theme-to-browser-t2b-control/