Here we would like to draw your attention to DBG_SCREEN_PAINTER transaction code in SAP. As we know it is being used in the SAP BC-ABA (ABAP Runtime Environment in BC) component which is coming under BC module (BASIS).DBG_SCREEN_PAINTER is a transaction code used for Debugger -> Screen Painter in SAP.
It comes under the package SABP_DEBUG.When we execute this transaction code, SAPMSSY30 is the normal standard SAP program that is being executed in background.
Transaction DBG_SCREEN_PAINTER technical data table
|Purpose||Debugger -> Screen Painter|