How to regenerate thumbnails on PrestaShop store after migration?
If your images were not regenerated after migration and look like:

you can fix this issue manually, following this instruction:
- Login to your PrestaShop Admin Area
- Open Design from the Left Nav Menu in the Improve section
- Go to Image Settings from the drop-down menu
- Tap to Regenerate Thumbnails button and check the result



Happy Migration!
