The column name you have entered is already in use or reserved. Choose another name

I have faced very interesting issue last night.One of the users had changed / renamed the default content type “Title” to “Item Title” and when he tried to pull it back it gave an error – “The column name you have entered is already in use or reserved. Choose another name”
After modifying default name to custom name he realized that “Title” name had been changed to all over sites because on site all lists / libraries were inherited from parent content type. As a farm admin I even tried with no luck and got the same error.
There is a small JavaScript we have to run in browser which clears all the values in the forbidden column collection array and gives you a confirmation
And after running following JavaScript I got rid of that issue.
javascript:g_FieldName={};alert(‘Successfully cleared forbidden columns’);
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About Pratik Vyas

Hi Readers, Welcome to Pratik’s SharePoint Blog. First of all Thank you very much for taking interest and spending time to tour my Blog I am in the ocean of SharePoint since January 2008 (almost 4 years), and still I feel I have to go more deep. I am working with a well known MNC as a SharePoint Consultant. Here I used consultant because I do a little development and customization with administration. I am very much interested in Microsoft products. I have started blogging since 2008 but I can say in real manner I have started it in 2011 (as I have posted only 4-5 blogs from 2008 to 2011 J) I believe there isn’t anything impossible in SharePoint, the only thing is sometimes we have to think something off track. I have posted couple of blogs which was discovered by going some off track, we can simply say it TRICKS. Feel free to reach me in case of any issues or queries I will be more than happy to help you. Good bye and Happy Reading, Cheers !!
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