How to fix missing glyphs in Shopify notification emails?

How do I fix this issue?

Hey @CustServDTC .

Thanks for reaching out.

I appreciate the context and screenshot that you have shared with us as that is very helpful! Since we cannot authenticate you for the store over the Community forums due to the sensitive information that needs to be shared, I am unable to view the specifics. In this case, it would be best to reach out to our live support to have a further look into the theme.

You can get in touch with our live support by logging into your online store using the Contact Us page.

Once you successfully login - you will be directed to the Help Center. Select the topic that you would like assistance with to locate the options to Get Support and speak directly with a Support Advisor about the situation.

Let me know if you have any questions.