Can anyone please help with this error in image manager?
I get this errors like 50 times before the images are showing up. I have to scroll down if I like to change something.

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Warning: Division by zero in / naspex.info/spiritwear/designer.t-shirt.tshirt.tee/admin.naspex.13/includes/functions/extra_functions/function_image_manager.php on line 283

Warning: Division by zero in /naspex.info/spiritwear/designer.t-shirt.tshirt.tee/admin.naspex.13/includes/functions/extra_functions/function_image_manager.php on line 232

Warning: Division by zero in /naspex.info/spiritwear/designer.t-shirt.tshirt.tee/admin.naspex.13/includes/functions/extra_functions/function_image_manager.php on line 327

Folder rights are sufficient

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I Install Image Manager on zencart 1.3.9h Upload fills and SQL.

If anybody has an idea how I can fix it.

Thanks!