@tirthtimaniya,Check out this article here, where there topic is Embed Font via AEM Client Library Static Asset, https://sourcedcode.com/blog/aem/3-different-ways-to-embed-custom-fonts-in-aem-sites#embed-custom-font-static-asset

Hi Frank, that error may be because your publish instance is not exactly synchronized with your author instance.I recommend that you verify if the bundle both in your author instance and publish are the same.You can validate in the following url:Author instance: http: localhost:4502/system/console/status-slingmodelsInstance publish: http://localhost:4503/system/console/status-slingmodelsIf they are not the same, go to your core project and run the following command by console: mvn clean install ...