error copying arrowline Error copying axes: {0} must supply an HGOBJ or a handle to an HGOBJ object Figure does not have Root parent Copyobj failed to create an object of class: {0}\n Failed to convert double to handle Parent and child input vectors must be equal length. Invalid child handle argument Invalid parent handle argument Cannot copy the same object more than once to the same parent. Try calling COPYOBJ twice instead. The copyElement method of class {0} returned an invalid type. The copyElement method of class {0} did not allocate the copy with copyElement@matlab.graphics.mixin.internal.Copyable COPYOBJ.]]>