FSLeyes AttributeError: 'NoneType' object has no attribute 'decode'

[k892050089]

After successful installing FSL on my ubuntun virtual machines, I encountered following error when launching fsleyes. And fsleyes has not been correctly loaded. Why I got these message? And how to solve this problem? Thanks!

kang@kang:~$ fsleyes
Traceback (most recent call last):
File "/home/kang/fsl/lib/python3.12/site-packages/fsleyes/gl/init.py", line 793, in create
ready()
File "/home/kang/fsl/lib/python3.12/site-packages/fsleyes/main.py", line 604, in realCallback
fslgl.bootstrap(namespace.glversion)
File "/home/kang/fsl/lib/python3.12/site-packages/fsleyes/gl/init.py", line 457, in bootstrap
glver = GL.glGetString(GL.GL_VERSION).decode('latin1').split()[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'decode'

[pauldmccarthy]

Hi @k892050089 the error implies that OpenGL is not available in your VM. What version/variant of Ubuntu have you installed? You might be able to run sudo apt install libgl1 mesa-utils to solve your issue.