Created Unassigned: Script Error on NON Debugmode [27697]

Hi
When i turn of Debugmode to FALSE then i have Script Errors from ajaxcontroltoolkit.
Why?
Wha is wrong?

When i ignor this errors, none tool is working from toolkit.

I'm an asp.net beginer and not see how is the error or what is wrong.
Ca anyone help me?

thanks.