Often times we do receive these error reports from our users to fix this issue. But Actually, this is a common server issue.
This error occurs because web fonts are subject to Cross-Origin Resource Sharing (CORS). CORS is a way for a remote host to control access to certain types of resources.
We have attached an article which explains how to resolve this issue easily: https://deliciousbrains.com/wp-offload-s3/doc/configure-cors-to-resolve-web-font-issues/
If you are still facing issue after trying this, please contact us at email@example.com