I'm getting this javascript TypeError (line 15 of display_editor.js) that is causing my panel edit page to look funky and broken. When I click a cog on a pane to remove the pane, it takes me to a page not found, like %23.

I tried changing my admin theme to Seven, and had the same issue. I'm on Drupal 7.28, but it was also happening before I upgraded from 7.26.

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tchopshop’s picture

tchopshop CreditAttribution: tchopshop commented

I think that this is caused by a deleted field on the panel. However, I'm not able to get rid of the pane in order to fix it because the URL for deleting the pane gets changed to something like %23, rather than the full url for ctools.