**System Information**
Operating system: Linux-5.13.0-7614-generic-x86_64-with-glibc2.33 64 Bits
Graphics card: Mesa Intel(R) Iris(R) Plus Graphics (ICL GT2) Intel 4.6 (Core Profile) Mesa 21.2.1
**Blender Version**
Broken: version: 3.0.0 Alpha, branch: Master, hash: rBfccc530003b (the hashes might be a little off, for reference this bug was introduced with D12638)
Worked: rB9a1d75e0b95 (I think)
**Short description of error**
What was "Replace Material" is now "Unknown" and throws a python error when adding to the node tree:
Python: Traceback (most recent call last):
File "/home/myUsername/blender-git/myBuildFolder/bin/3.0/scripts/startup/bl_operators/node.py", line 138, in invoke
result = self.execute(context)
File "/home/myUsername/blender-git/myBuildFolder/bin/3.0/scripts/startup/bl_operators/node.py", line 129, in execute
self.create_node(context)
File "/home/myUsername/blender-git/myBuildFolder/bin/3.0/scripts/startup/bl_operators/node.py", line 92, in create_node
node = tree.nodes.new(type=node_type)
RuntimeError: Error: Node type GeometryNodeReplaceMaterial undefined
**Exact steps for others to reproduce the error**
Open the selected file, or
- Open blender
- In the Geometry Nodes workspace, add a new Geometry Nodes to the default cube
- `Shift+A->Material->Unknown`
{F11294928}