Some exp.world errors can be caused by Hardware Acceleration not being enabled.
Chrome:
Microsoft Edge:
1. Click on the three horizontal dots in the top-right corner and select “Settings”:
2. In the settings, click “System and Performance” and make sure that “Hardware Acceleration” is enabled. You may need to restart the browser for any changes to take affect:
Safari:
If you have to use that browser, hardware acceleration is always on.
Firefox:
Click the button in the top-right with three horizontal lines and select “Settings”:
In the “General” settings, scroll down to the “Performance” section. By un-checking “Use Recommended Performance Settings”, the “Use hardware acceleration when available” option becomes visible:
WebGL2:
If enabling hardware acceleration does not fix the issue, you will want to check that your computer has WebGL2.