When we are working with web parts, sometimes we are running into trouble and one of our web part pages does not open and instead we see an error message an a correlation ID. In the hope we still know, what we have changed at last (which web part), we can open the page in maintenance mode and remove the failing webpart.

To open a page in maintenance mode, simply add “?contents=1” to the address of the page.

So, when the address of the page is

    http://teams.mydomain.local/sites/fieldwidth/Lists/Tasks/AllItems.aspx

modify the address to this

    http://teams.mydomain.local/sites/fieldwidth/Lists/Tasks/AllItems.aspx?contents=1

and you will see the maintenance view of the page.

On this page you can select the failing web part and click “Delete” to remove the web part from the page.

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