Not able to save in master page

javier saenz asked on October 27, 2016 18:43

I'm having an issue when I try to save my master page template or any web part on it. I'm getting this error:
Object Reference not set to an instance object
I already tried to clear cache, restart the iis and the pool application, create a new master template
Image with the issue:

Recent Answers

Roman Hutnyk answered on October 28, 2016 19:46 (last edited on October 28, 2016 19:46)

Check event log or enable debug mode, like suggested on your screenshot, in order to get more details on error. Stack trace will help you to determine class/method that throws actual exception. There might be some custom code, that causes an error.

When did this error appeared? Have you upgraded your instance recently?

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javier saenz answered on October 31, 2016 15:33

Yes I recently upgraded my Kentico 7 to Kentico 9, when I did it the error started to appear

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