**System Information**
Operating system: Linux-5.4.0-91-generic-x86_64-with-glibc2.31 64 Bits
Graphics card: GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.91.03
**Blender Version**
Broken: version: 3.1.0 Alpha, branch: master, commit date: 2021-12-25 21:08, hash: `rBdd3a72f275b3`, 3.0
Worked: (newest version of Blender that worked as expected)
**Short description of error**
Adding a split edge node and going in edit mode with "on cage" modifier flag on leads to a crash.
{F12781736}
**Exact steps for others to reproduce the error**
Go into edit mode
{F12781737}