Failed To Combine Glyphs errors (Font)
Explanation
During the export process for fonts, we need to create a bitmap for them using fontBM, On occasion, you might come across a font that cant be processed through FontBM, The simplest solution would be to find an alternative that can be ran through FontBM, however it is possible to try debug the issue with the font.
Steps to fix
Please have a read of our Common Issue page on Font for troubleshooting steps.