Three.Legacy: Matrix4.makeFrustum(), error to warn

src/Three.Legacy.js

@@ -469,7 +469,7 @@ Object.assign( Matrix4.prototype, {
 	},
 	makeFrustum: function( left, right, bottom, top, near, far ) {
 
-		console.error( 'THREE.Matrix4: .makeFrustum() has been renamed to .makePerspective().' );
+		console.warn( 'THREE.Matrix4: .makeFrustum() has been renamed to .makePerspective().' );
 		return this.makePerspective( left, right, bottom, top, near, far );
 
 	}