Error message

• Notice: Undefined variable: filemime in track_da_files_tracking() (line 600 of /var/www/html/ivsa.afrivip/html/sites/all/modules/track_da_files/track_da_files.module).
• Notice: Undefined variable: filesize in track_da_files_tracking() (line 601 of /var/www/html/ivsa.afrivip/html/sites/all/modules/track_da_files/track_da_files.module).