Images not displaying
Sometimes images do not display in your store in some browsers or operating systems but display in others. For example, a product's image might display in Chrome but not in Firefox. If you are having this issue, it's most likely related to the product image being the in the .webp format.
Here's how to fix the issue:
Install the wp-webp plugin
Install this plugin on your site: https://wordpress.org/plugins/wp-webp/
Add custom code
Add the following code to your custom plugin (create a custom plugin)
Delete images already imported unsuccessfully
Go here WordPress Admin Area > Media and permanently delete any record where the image is missing.
Fix missing images
Then go here WordPress Admin Area > Product Sets > Tools and click the [Fix Missing Images] button.
After performing those steps, your .webp formatted images should now appear on your site.