Error: Index was out of range. Must be non-negative and less than the size of the collection

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nI was facing this error while editing pages in SharePoint sites, and was not able to figure out what’s going wrong ?

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nBut finally figured out the solution after 1 day search

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nThere are few checks you need to do to solve this

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  1. Check that page using correct page layout

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  2. Check that associated content type with page layout is correct

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  3. And most important : If there are some wrong / corrupted page layouts in the site’s master page gallery then delete them

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nSometimes we can’t delete those page layouts using UI, (at least in my case I was not able to do so ) so I written a simple console application to delete them and that’s all

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nI hope this helps someone J

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