Assertion failed on expression: 'chanType.dimension == 0'

Assertion failed on expression: ‘chanType.dimension == 0’
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)
122629-capture.png

Please can anyone help me to solve this issue.

bro i was facing the same issue , i spend a half day on it and manually try to disable each mesh one by one and figure out which mesh is create this problem . Finally its because of a mesh.