Existing blocks no longer editable?

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Hey guys, currently working on a site and seemed to have lost the ability to edit my default blocks, in this case the form. Example, I changed the default for the forms to display in lists, rather than default tables. Initially, this approach worked and all was well. However, now they have reverted back to the default table display. Rechecked the controller.php file, and my changes were still intact. Not sure what is going on, any help would be greatly appreciated. I am using Concrete 5.4.0.3.

nallwdrgn