when running a WPML site on subdomains, the icons are not displayed in the other languages, http://prntscr.com/ul488c. When you switch to the subdomain and save the theme options again, then they are displayed in that language, but not in the other languages anymore.
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You need to contact your hosting provider and fix the CORS error https://gyazo.com/9e0c1311cedda2b1b9f5ec24145040da
It blocks the loading of resources from different domains. In your case, you have different subdomains and your server blocks loading them between domains.