I created new custom list. I want to add a new form to the list. I'm clicking new, and I'm selecting properties then OK. But I'm getting the follow error. Why get I this error?

I tried to create new form for custom list, another site on the another server and I can do this.Do I need to make adjustments to create a form on a new site on the new server? Is there any settings? I don't find any solve :(

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  • Check if any file with name "haber" exists or not. – Amal Hashim Nov 4 '14 at 13:24
  • Have you checked ULS? – Slaven Semper Nov 4 '14 at 13:27
  • @AmalHashim I'm sure, there isn't any file with name "haber". – zengel Nov 4 '14 at 13:27
  • Maybe run SharePoint Designer as administrator ? – Arsalan Adam Khatri Nov 4 '14 at 13:28
  • Does your list has duplicate columns names? – Amal Hashim Nov 4 '14 at 13:31

Per your comment you have deleted a column.

Try to close the designer and open it again so it will refresh the new column layouts.

  • I tried this already. I closed the designer and opened it again. But it doesn't solve. – zengel Nov 4 '14 at 13:44
  • Do you have any lookup columns in list? – Arsalan Adam Khatri Nov 4 '14 at 13:44
  • No I didn't add lookup columns. @ArsalanAdamKhatri – zengel Nov 4 '14 at 13:46
  • I created a new custom list. It has title columns only. Then I tried to create new form. But I got same error again. @ArsalanAdamKhatri – zengel Nov 4 '14 at 13:49
  • It seems your Item content type is corrupted. Have you modified the Item content type by any chance? Can you clear the site recycle bin and reload SPD? – Amal Hashim Nov 4 '14 at 13:50

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