I have created a .vrm model using the 4.19 version of Unity. Ive created a model and had no issue exporting and importing. I created an additional model, but whenever I export and import the .vrm file ...

Unity Editor: 2022.3.6f1 VRM Converter for VRChat: 41.1.0 UniVRM: 0.121.0 System.NullReferenceException: Object reference not set to an instance of an object at UniGLTF.MeshUtility.MeshAttachInfo+< ...