I copied the Arcus folder there, but still this message:
Version: master
Platform: Linux-3.19.0-26-generic-x86_64-with-Ubuntu-15.04-vivid
Qt: 5.4.1
PyQt: 5.4.1
Exception:
Traceback (most recent call last):
File "/usr/bin/cura_app.py", line 16, in
app = cura.CuraApplication.CuraApplication.getInstance()
File "/usr/lib/python3/dist-packages/UM/Application.py", line 273, in getInstance
Application._instance = cls()
File "/usr/lib/python3/dist-packages/cura/CuraApplication.py", line 63, in __init__
super().__init__(name = "cura", version = "master")
File "/usr/lib/python3/dist-packages/UM/Qt/QtApplication.py", line 79, in __init__
self._loadPlugins()
File "/usr/lib/python3/dist-packages/cura/CuraApplication.py", line 121, in _loadPlugins
raise RuntimeError("Could not load the backend plugin!")
RuntimeError: Could not load the backend plugin!