note 56923 added to function.imagecopyresized

I noticed that some of the images cannot be displayed while trying to create a thumbnail. I've tried many different scripts (first tried to write one by myself) also from this site.. but I was unsuccessful! The server only gives me following message: Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator, [no address given] and inform them of the time the error occurred, and anything you might have done that may have caused the error. More information about this error may be available in the server error log. These images are shown fine, while NOT trying to resize them. Other images work well. The images are photos posted by users. Anybody could help?? Please contact me, if you can. ---- Manual Page -- http://www.php.net/manual/en/function.imagecopyresized.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+56923 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+56923&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+56923&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+56923&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+56923&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+56923&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+56923&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+56923&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+56923&report=yes Search -- http://master.php.net/manage/user-notes.php