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Compiling directory './share/system/SCClassLibrary'
Compiling directory './share/system/Extensions'

WARNING: Could not open directory: './share/user/Extensions'
To resolve this, either create the directory or remove it from your compilation paths.

How can I create this directory?

I'm trying to set up SuperCollider to start automatically on boot using crontab on my Raspberry Pi, but I'm encountering some issues. Here's what I've done so far:
I have SuperCollider installed on my Raspberry Pi, and the sclang executable is located at

/home/quinten/supercolliderStandaloneRPI64/sclang.

I used the autostart.sh script in the /home/quinten/supercolliderStandaloneRPI64 directory with the following contents:

#!/bin/bash
export QT_QPA_PLATFORM=offscreen
export JACK_NO_AUDIO_RESERVATION=1
#sleep 10 #optional - try with a little delay if autostart is not working
sclang -a -l mycode.scd > /home/quinten/autostart.log 2>&1

I made the autostart.sh script executable using chmod +x /home/quinten/supercolliderStandaloneRPI64/autostart.sh.
I added the following line to my crontab using crontab -e:
@reboot /home/quinten/supercolliderStandaloneRPI64/autostart.sh

After rebooting the Raspberry Pi, I checked the /home/quinten/autostart.log file and found the following error:
./autostart.sh: line 5: sclang: command not found

I've tried adding the directory containing the sclang executable to the PATH in the /etc/environment file and updating the autostart.sh script accordingly, but the issue persists.
I've also verified that the mycode.scd file exists in the same directory as the autostart.sh script.
I'm not sure what I'm missing or what could be causing the issue. Any help or suggestions would be greatly appreciated!

Might have also something to do with the fact that double clicking the supercollider icon doesn't start supercollider.
only scide starts the program..?