Some svg images can cause this problem.

PHP Fatal error: Uncaught TypeError: Unsupported operand types: string / string in /kod/app/kod/ImageThumb.class.php:94 Stack trace:

0 /kod/app/controller/explorer.class.php(1100): ImageThumb->prorate('/kod/data...', 250, 250) #1 /kod/app/core/Application.class.php(64): explorer->image() #2 /kod/app/core/Application.class.php(104): Application->appRun('explorer', 'image') #3 /kod/index.php(114): Application->run()

4 {main}

thrown in /kod/app/kod/ImageThumb.class.php on line 94