Traceback (most recent call last):
File "<stdin>", line 3, in <module>
File "/opt/hfs18.5.633/houdini/python2.7libs/houpythonportion/ui.py", line 1081, in decorator
return func(*args, **kwargs)
File "/opt/hfs18.5.633/houdini/python2.7libs/hou.py", line 94671, in hscript
return _hou.hscript(command)
RuntimeError

Redshift installed on Houdini

Centos 7.6
A4000 GPU
128GB RAM

You have to make sure that you are using the right redshift version for your Houdini. Open the redshift package file and check to what plugin version it is pointing.

Cheers
CYTE