Can not handle font flags (TypeError('ord() expected a character, but string of length 0 found'))
#### 🗹 Requirements

- [x] I have searched the [issues](https://github.com/ryanoasis/nerd-fonts/issues) for my issue and found nothing related and/or helpful
- [x] I have searched the [FAQ](https://github.com/ryanoasis/nerd-fonts/wiki/FAQ-and-Troubleshooting) for help
- [x] I have searched the [Wiki](https://github.com/ryanoasis/nerd-fonts/wiki) for help

#### 🎯 Subject of the issue

Experienced behavior:
I'm getting this error from the patcher:
```
ERROR: Can not handle font flags (TypeError('ord() expected a character, but string of length 0 found'))
```
And then the patcher produces a 0 byte file as the output.

Expected behavior:
I expected the patcher to output a valid font.

Example symbols:
N/A

#### 🔧 Your Setup

- _Which font are you using (e.g. `Anonymice Powerline Nerd Font Complete.ttf`)?_
   - setofont.ttf
- _Where did you get the file from (download link, self patched, source downloaded from link...)_
   - self-patched, original font from https://osdn.net/projects/setofont/releases/
- _Which terminal emulator are you using (e.g. `iterm2`, `urxvt`, `gnome`, `konsole`)?_
   - gnome-terminal
- _Are you using OS X, Linux or Windows? And which specific version or distribution?_
   - Pop!_OS 22.04

#### ★ Screenshots (Optional)

![image](https://github.com/ryanoasis/nerd-fonts/assets/45131430/0235c972-b472-4a8a-b507-e4d19aa14538)
