This error usually occurs when the image used in the template is corrupt. To resolve the issue, please follow these steps:
- Exit Shoppa
- Open the Windows start menu and type %appdata% and press Enter
- Open the “Shoppa” folder within %appdata%
- Find the folder with the name “cache”
- Delete the cache folder
- Start Shoppa
This process should result in Shoppa downloading a new picture when printing which should resolve the issue.