In JMETER CMD console window-Issue on while Adding Components under Threadgroup using mouse scrolling except Listeners

While Adding Components under Threadgroup using mouse scroll it will simply hangs and in jmeter CMD windows displaying exception like :

Uncaught Exception java.lang.ArrayIndexOutOfBoundsException: -1. See log file for details. Uncaught Exception java.lang.ArrayIndexOutOfBoundsException: -1. See log file for details. Uncaught Exception java.lang.ArrayIndexOutOfBoundsException: -16. See log file for details. Uncaught Exception java.lang.ArrayIndexOutOfBoundsException: -16. See log file for details. Uncaught Exception java.lang.ArrayIndexOutOfBoundsException: -19. See log file for details. Uncaught Exception java.lang.ArrayIndexOutOfBoundsException: -19. See log file for details.

Why Jmeter CMD showing me this