In Office Apps for Excel 2013 - Cannot redefine non-configurable property 'context'"

Question

I have made an app in Office Apps for Excel 2013. It works fine, but at start up it gives a javascript exception.

"Cannot redefine non-configurable property 'context'".

After clicking 'continue' on that exception everything works just fine. This application uses its inbuilt App.js and Office.js. Is there any solution for this? Or is there something i can remove in my code so that it always hits at start up.

Does the issue occur when you use office.js in SharePoint online or Exchange online? — GMB, Oct 20 '15 at 05:54
Please read the following link https://msdn.microsoft.com/en-us/library/office/fp161122.aspx — GMB, Oct 20 '15 at 06:28
@Spark please can you mention how did you solve this? I am running in same situation. — akash kubavat, Aug 19 '16 at 00:45
I found where it was occurring and I removed that line in js. But as far as i can remember this problem went automatically after some days when I rebuilt/restarted the app — Rajdeep, Aug 26 '16 at 06:25
@Spark, when you say "I found where it was occurring and I removed that line in js". Is that in your JS code, or inside of Office.js? — Michael Zlatkovsky - Microsoft, Aug 29 '16 at 15:06

score 0 · Answer 1 · edited May 23 '17 at 12:16

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I had similar issue and was able to solve it by removing second Office.js script. This issue will occur if you load Office.js script more than once. See: In Office Apps - Cannot redefine non-configurable property 'context'"

edited May 23 '17 at 12:16

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answered Aug 31 '16 at 11:41

spery

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In Office Apps for Excel 2013 - Cannot redefine non-configurable property 'context'"

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