**System Information**
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 471.96
**Blender Version**
Broken: version: 3.1.0 Beta, branch: master, commit date: 2022-02-02 15:25, hash: `rB43b0ff3054ba` and 3.2.0 Alpha, branch: master, commit date: 2022-02-03 13:54, hash: `rB5920de9247f2`
Worked: 3.1.0 Beta, branch: master, commit date: 2022-01-28 23:47, hash: `rB03b57d39731a`
**Short description of error**
Writing to Vertex Groups from Geometry Nodes is not working anymore, even if the attribute is displayed correctly in the spreadsheet
**Exact steps for others to reproduce the error**
Open the attached file in the broken versions and you will not see any Vertex group change, but if you open it in the old version you will see the weights from GN
{F12845435}
version:rB03b57d39731a
{F12845473}
version:rB5920de9247f2:
{F12845475}