Failed to decode downloaded font and OTS parsing error

Continuing the discussion from OTS parsing error: Failed to convert WOFF 2.0 font to SFNT:

I am on the same boat with this one. Any suggestions?
-I get OTS parsing error, invalid sfntversion and-failed to decode downloaded font.

happends only when proxied from Cloudflare. Any help with this would be appreciated.

I ended up resolving this by locating items that are getting 404 errors and disabling caching for those.