Bevel needs the vertex normals to be correct and they are not normally recalculated after a previous modifier, like mirror. Adding 'dependsOnNormals' -> returns true to modifier info for Bevel fixes the problem.
Bevel needs the vertex normals to be correct and they are not normally recalculated after a previous modifier, like mirror. Adding 'dependsOnNormals' -> returns true to modifier info for Bevel fixes the problem.