When I try to modify a resource from the user's interface, I get the following error:
Even when submitting a known URL in the first box and leaving the rest of the boxes blank


There were the following errors trying to modify your resource:


link was not found in the database

Please make any changes and try again!

Please enter the URL of the link you wish to update. Make sure it is identical to the one already in the database:

Nevermind. I wasn't exactly entering the URL (case sensitive).