Image Thumbnail Too Small

This FAQ addresses situations where the store owner attempts to add an image to a product gallery and have received the Javascript popup that says: "Your photo must have a thumbnail created for it that is larger than 150x150px"

There are two possible reasons that you have received this message:

Reason One: Your settings for Thumbnail sizes are below 150 x 150px in Admin --> Settings --> Media

Reason Two: Your server is not creating thumbnails when files are being uploaded. You can confirm this by FTPing to your server and looking in wp-content/uploads folder to confirm that there are multiple copies of each file you have uploaded (each with a different size).

The most common reason for thumbnails not being created when you upload photos to WordPress is because your hosting provider hasn't enabled the php_gd extension. You will need to ask your hosting provider to enable this if you want to use the ExchangeWP Product Gallery.