No Preview Image showing in Checkpoint Manager if the foldername contains special characters

[Janeins]

What happened?

Checkpoint manager doesn't show any preview images, if I name the folder that contains the stability matrix installation "#Stability Matrix"
The image section just remains blank like this:

while the edit metadata screen looks like this:

Steps to reproduce

1. Install Stability Matrix as a Portable Install
2. Name the installation folder #Stability Matrix
3. maybe update the symlinks
4. open the Checkpoint Manager

Relevant logs

Version

2.13.3

What Operating System are you using?

Windows