How to reproduce:
1. Open the attached “IN-108884.zip” project
2. Open the “SampleScene”
3. Enter Play Mode
4. Observe the crash

Reproducible in: 2023.1.0a6, 6000.0.57f1, 6000.2.4f1, 6000.3.0b1
Not reproducible in: 2023.1.0a5

Reproducible on: Windows 10, Windows 11
Not reproducible on: No other environments tested

Note: Cast exception appears in the console when attempting to add sprite keyframes to Raw Image Texture animation in pre-regression versions

Firs few lines of stacktrace:

{noformat}UnityEngine.UI.RawImage:OnPopulateMesh <0x0030a>
UnityEngine.UI.Graphic:DoMeshGeneration <0x00169>
UnityEngine.UI.Graphic:UpdateGeometry <0x00042>
UnityEngine.UI.Graphic:Rebuild <0x00093>{noformat}