The issue is likely to be a problem with the font itself. It could be a corrupt font or a mis-named font so any of the text using that font is being substituted for another font.
Use https://admin.w2p-tools.com/testfonts.php to analyze your fonts. It's available on the Tools page of the admin site https://admin.w2p-tools.com/tools.php. Login in using your PrintUI InDesign panel login credentials. This extensive test was recently added and should help for lots of hard-to-diagnose font issues.