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3491164 - WDA: Dump "MOVE_CAST_ERROR" in "CL_FPM_TABBED_ASSIST" when trying to zoom out the browser screen.


When trying to zoom out the browser screen getting 500 Internal Server error: Source type \CLASS=CL_WD_TILE_LAYOUT is not compatible, for the purposes of assignment, with target type \CLASS=CL_WD_MATRIX_LAYOUT

Runtime Errors         MOVE_CAST_ERROR
Except.                CX_SY_MOVE_CAST_ERROR
ABAP: Program          CL_FPM_TABBED_ASSIST==========CP
Application Component  BC-WD-CMP-FPM

Short Text: Dynamic type conflict during the assignment of references. 



  • Web Dynpro for ABAP
  • SAP NetWeaver
  • SAP Web Application Server for SAP S/4HANA all versions
  • ABAP PLATFORM - Application Server ABAP


SAP S/4HANA 2023


FPM Tabbed UIBB, Tabbed Assist Class, ACA, 500 Internal Server Error, zoom in, zoom out, Layout, MOVE_CAST_ERROR, CX_SY_MOVE_CAST_ERROR, Web Dynpro, Webdynpro, Web Dynpro ABAP, WDA 

, KBA , BC-WD-CMP-FPM , Floorplanmanager , Problem

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