Image style don't create thumb image and it get error "Division by zero"

Question

My site is Drupal 7.36

Image style cann't create all images and it get 2 error messages

Division by zero in theme_image_style_preview() (line 804 of /Users/snappy/Sites/betterpack/modules/image/image.admin.inc)

array_intersect_key(): Argument #1 is not an array in theme_image_style_preview() (line 806 of /Users/snappy/Sites/betterpack/modules/image/image.admin.inc)

and I did:

sudo chmod -R 777 sites/default/files/styles

It not work

Help me please.

Thank you everyone and sorry I write weak in English but I can read good English.

ls command in sites/default/files/styles

ls -l

total 0

drwxrwxrwx 3 _www staff 102 Jun 7 2014 cover_article

drwxrwxrwx 3 _www staff 102 Mar 28 19:47 cover_product

drwxrwxrwx 3 _www staff 102 May 9 2014 large

drwxrwxrwx 3 _www staff 102 Jun 5 2014 medium

drwxrwxrwx 3 _www staff 102 Jun 6 2014 node_porduct

drwxrwxrwx 3 _www staff 102 Jun 6 2014 related_product

drwxrwxrwx 3 _www staff 102 Jun 7 2014 thumb_gallery_article

drwxrwxrwx 3 _www staff 102 May 9 2014 thumbnail

Answer 1

It would appear that your image toolkit is not working properly. On the status page (admin/reports/status) are there any errors, etc.?