Could not complete the operation due to error 80020101
I am running an ExtJS 4.1 application. It is running just fine in FireFox, but I get this error in Internet Explorer 8: Could not complete the operation due to error 80020101. I have found various possible fixes, but none seemed to fit my needs. How can I make the application work in IE8? Andrew Leach Error 80020101 is an AJAX error, so there are a number of potential issues to investigate. A useful starting point might be a prior SO question https://stackoverflow.com/a/10275316/1204258 which deals with trailing commas in object definitions. I got the same error in an included js file. it