I have an error icon in the bottom left hand corner whenever I try to chat on Facebook... error message "channelmanager" is undefined... can you please help me solve this problem... thank you

Hi, katco!

It might be best to be directing this kind of question to someone at the Help section of Facebook so that you can get the information you need from the "horses mouth", so to speak, rather than second hand.

Please click on the following link.

Contact Us | Facebook

Thanks!