Could not complete the operation due to error 80020101

Question

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 8

Answer 1

I got the same error in an included js file. it appeared only in IE.

the problem was because of missing </script> tag at the end of include file.

hope to help.

Answer 2

I got the same issue in IE, the problem was the html comment used in the javascript Replaced the html comment with javascript comment, then it's works fine for me.

Answer 3

Had the same non-foundable error on IE9.

There was an AJAX request transfering a ....

Solved the error with this:

<script type="text/javascript">
    //<![CDATA[

    ... code goes here ...

    //]]>
</script>

Answer 4

Same thing was happening to me while using ExtJS to "require" modular javascript code. The reason: I included the "extends" keyword by mistake, which is reserved in IE8. Make sure you're not using any reserved keywords as your attribute keys without putting them in quotes first.

Answer 5

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.