If you see such an error during export to Klaviyo, the problem can be due to the custom font that was used in the email/template.
To check it, you should open your account's "project settings". Press on your project name near the profile icon and choose the project settings, as shown on the screenshot.
After that, please find the connected earlier custom font below the "Font management" section.
To check its settings, please click on the "pencil" icon
Please, be aware that in the FontURL section, the link should always be related to the CSS path, so if you have another type of link, that can be the reason for the issue.
For example, on the screenshot below, you can see the wrong type of link, which is not workable, and it's easy to check.
In the case, if the font is correctly connected, when you copy this link and open it in the browser, you will see such information.
If the font was connected in the wrong way and used URL is unsuitable, you will see an error in the browser:
Here you can see the example of the correct link for the custom font:
In our article, you can find more detailed instructions on how to add custom fonts to Stripo.
Thank you for taking the time to read our articles. We hope you will find this information helpful.
If you have any additional questions, please email us at firstname.lastname@example.org.
We would be glad to talk with you.