After disabling patch_manager on my site, whenever saving a node with a filefield in it would produce an error "call to undefined function patch_manager_content_is_empty(). I fixed the error by adding the code from the cck documentation page http://drupal.org/node/1031548. I'm not sure if it's necessary for this module, but it definitely fixed my error.
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Comment #1
aidanlis commentedThanks, this is fixed now.