...
Log in to the Linux server which deployed the JIRA and find the directory: jira/jre/lib/
Create a "fonts" folder and a "fallback" folder in the directory: jira/jre/lib/fonts/fallback/
Copy the font file "hsc.ttf" to the directory: jira/jre/lib/fonts/fallback/
Restart the JIRA system
If the trouble is not resolved, please feel free to contact us at any time: atlassian@shdsd.com