I'm trying to use imagecache for the first time. (already installed by someone else. currently not serving any images)
So whenever I try to see an image modified by imagecache I have a 500 internal error. In the drupal's watchdog report log there is just an error without much description:
Failed generating an image from imagecache_sample.png using imagecache preset small_analysis.
I have no idea why, but in the apache error logs, I can't find anything...
This happens even when I try to display the imagecache sample: