Unable to set custom library background. Kodi Freez

[Grandmasterseven]

Description

Reproduction

Checklist:

• [x ] I have checked if I am using the latest version of Grid at the time of opening this issue
• [ x] I am running a Kodi version that is listed as compatible in Grid's README file
• I have checked if all of the required add-ons are installed on my system
• [x ] I have checked whether this behaviour is also present in Kodi's default skin
• I have screenshots or a video for further explanation. I have included a link to the image(s) or video in my description
• I have a debug log for (further) explanation. I have included a link to the log on pastebin.com or similar service in my description