Unable to generate thumbnails

– WordPress up to date? Yes 4.5
– NextGEN up to date? Yes 2.1.31
– What version of NextGEN Gallery did you upgrade from? NA

All requirements (PHP, MySQL …) fullfiled

– Who are you hosted with? 1and1

– What theme are you running? MantraVersion : 2.5.0 by Cryout Creations

– Which plugins do you have installed and activated?
Antispam Bee
Cryout Serious Theme Settings
Custom Meta Widget
DB-Optimize
Exifography
InfiniteWP
My WordPress Login Logo
NextGEN Gallery by Photocrati
NextScripts: Social Networks Auto-Poster
Sociable for WordPress 3.0
Spammer Blocker
Stop Spammers Spam Control
Ultimate Google Analytics
WP Database Backup
WP Lightbox 2
WP Slimstat Analytics
WP-Ban

– Does this error still occur if you switch your theme to a WordPress Twenty series theme and deactivate all plugins except NextGEN Gallery? (please be sure to clear your browser cache and reload your site after deactivating)

Yes, error still there even with default theme and no plugins

Hi all, I didn’t add a gallery since a whileWanted to add a new one, and I cannot generate the thumbnails, even manually.

Got the following errors

Warning: Division by zero in /mywebsite/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/ngglegacy/lib/gd.thumbnail.inc.php on line 296

Warning: Division by zero in /mywebsite/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/ngglegacy/lib/gd.thumbnail.inc.php on line 309

Warning: imagecreatetruecolor(): Invalid image dimensions in /mywebsite/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/ngglegacy/lib/gd.thumbnail.inc.php on line 439

Warning: imagecopyresampled() expects parameter 1 to be resource, boolean given in /mywebsite/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/ngglegacy/lib/gd.thumbnail.inc.php on line 943

Warning: Division by zero in /mywebsite/wp-content/plugins/nextgen-gallery/products/photocrati_nextgen/modules/ngglegacy/admin/edit-thumbnail.php on line 53

Any idea ? every help is welcome 🙂

Thanks in advance

https://wordpress.org/plugins/nextgen-gallery/