image attachments problem

After upgrade to 3.4.1 in Tickets some existing image attachments producing an error and everything after them (like notes) not loading at all - see enclosed image.
Additional information from logs:
2013-07-29 12:46:40 ***** ERROR ***** ERROR *****
2013-07-29 12:46:40 ***** ERROR ***** on file '/var/www/localhost/htdocs/project
orria/tool/file.php' at line (117)
2013-07-29 12:46:40 ***** ERROR ***** cause = mkdir(): Permission denied
2013-07-29 12:47:36 ***** ERROR ***** ERROR *****
2013-07-29 12:47:36 ***** ERROR ***** on file '/var/www/localhost/htdocs/project
orria/tool/file.php' at line (117)
2013-07-29 12:47:36 ***** ERROR ***** cause = mkdir(): Permission denied

Ok - we have found the problem and fixed it:
Had to change permission on projectorria/files/thumbs so that its writable by the user running the webservice