Edit the PLC_PRG POU as follows:
Declaration
VAR udiCnt : UDINT; END_VAR
Implementation
// Nothing to implement
Edit the IsWebVisu POU as follows:
VAR pClientData : POINTER TO VisuElems.VisuStructClientData; END_VAR
IsWebVisu := TRUE; pClientData := VisuElems.CurrentVisuClient; IF pClientData <> 0 THEN IsWebVisu := pClientData^.GlobalData.ClientType = VisuElems.VisuElemBase.Visu_ClientType.WebVisualization; END_IF