Some of our clients get a javascript error when they press the SAVE & CLOSE button on an opportunity.
The error resides in the global.ashx file, making it an AJAX error if I'm not mistaken.
<Function>anonymous(a, b){a[a.length]=b}</Function> is giving an "object is null or not definded" error.
The issue appears when they use Internet Explorer 8 & 9.
When I try this in an internet explorer 9 on my machine, I do not have the issue.
What's the best course of action here to get this sorted?
Edit:
There is NO custom javascript function that is being called upon saving the opportunity.