SAP Knowledge Base Article - Preview

2700435 - How to start the analysis for greyed cells in items screen SAPMV45A 4900


Sometimes, some cells are grayed unexpectedly in screen 4900 in program SAPMV45A. For example, when creating a sales order via T-Code VA01, these cells are grayed out and not editable for some unknown reasons:

1. Cells are greyed out.png

In this KBA, we will introduce a way of how and where to set breakpoints and debug to analysis the issue quickly.


  • This KBA is not to provide a final and dedicated solution since causes vary due to complex logics and business scenarios. It is just a general way we can use under different situations.
  • SCREEN-INPUT and SCREEN-ACTIVE will take effect on whether the cell is grayed or not. Their values should be 1 if a cell is supposed to be editable. Thus this KBA is introducing a way to find out where they are changed to 0 for a specific cell.
  • In screen 4900(program SAPMV45A), item lines are embedded in table control tctrl_u_erf_auftrag. Thus we will use tctrl_u_erf_auftrag-current_line to navigate to the expected line.
  • In flow logic of screen 4900, module feldauswahl inside the loop of control tctrl_u_erf_auftrag contains the logics where SCREEN-INPUT and SCREEN-ACTIVE are changed.
  • The steps are demonstrated under new debugger and old debugger. Due to the difference of debugger functions, there are some slight differences during debugging, but the idea will be same.



  • Sales And Distribution (SD)
  • SAP R/3
  • SAP R/3 Enterprise 4.7
  • SAP ERP Central Component
  • SAP Enhancement package for SAP ERP
  • SAP Enhancement package for SAP ERP, version for SAP HANA


SAP ERP Central Component all versions ; SAP ERP all versions ; SAP R/3 Enterprise all versions ; SAP R/3 all versions ; SAP S/4HANA all versions ; SAP enhancement package for SAP ERP all versions ; SAP enhancement package for SAP ERP, version for SAP HANA all versions


KBA , SD-SLS , Sales , How To

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.