Trying to convert latest Cascadia Code PL font, Nerd Fonts cannot open font
#### 🗹 Requirements

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#### 🎯 Subject of the issue

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Trying to convert eh Cascadia Code font myself with the following command;
`fontforge -script "/home/dylan/projects/font-patcher/nerd-fonts/font-patcher" "/home/dylan/projects/font-patcher/CascadiaCode/otf/static/CascadiaCodePL-ExtraLight.otf" -c --careful -out ./out`

But it throws an error and I cannot figure out what's going wrong

#### 🔧 Your Setup

- _Which font are you using (e.g. `Anonymice Powerline Nerd Font Complete.ttf`)?_ CasCadia Code PL
- _Which terminal emulator are you using (e.g. `iterm2`, `urxvt`, `gnome`, `konsole`)?_ Tmux inside WSL 2
- _Are you using OS X, Linux or Windows? And which specific version or distribution?_ Linux through Windows -> WSL 2

#### ★ Optional

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![image](https://user-images.githubusercontent.com/5251028/143691094-4b6fa3bc-3532-46c2-b43e-18e051d93e05.png)
