(global-set-key "SPC e" #'treemacs) gives error

### I confirm that...

- [X] I have searched the [issue tracker](https://github.com/doomemacs/doomemacs/issues), [documentation](https://docs.doomemacs.org), [FAQ](https://docs.doomemacs.org/-/faq), [Discourse](https://discourse.doomemacs.org), and [Google](https://google.com), in case this issue has already been reported/resolved.

- [X] I have read "[How to Debug Issues](https://doomemacs.org/d/how2debug)", and will use it to provide as much information about this issue as possible.

- [X] The issue can be reproduced on the **latest** available commit of Doom.

- [X] The issue can be reproduced on a stable release of Emacs, such as 27, 28, or 29. *(Unstable versions end in .50, .60, or .9x)*

### Expected behavior

i think it just would restart with the keybinding working when i press `SPC e` it open treemacs.

### Current behavior

this is the error that i got when i tried to reload after puting the code `(global-set-key "SPC e" #'treemacs)` on mt init.el on doom.d dir
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### Steps to reproduce

1-go on init.el on your doom.d dir
2-writh the code `(global-set-key "SPC e" #'treemacs)` on init.el to change the keybindings
3-run on doom emacs `M-x doom/reload`
4-

### System Information

https://pastebin.com/k0b5ARtd