I have found the following problem with nested BAT files: File moppwt.bat: @Echo Off call oppwt seller.opl if errorlevel 1 goto Zle rem place 2 call oppwt kom20.opl if errorlevel 1 goto Zle File oppwt.bat: c:\!JT.C\psion\opp\opp -d_WORKABOUT -iC:\!JT.C\psion\opp\include %1 %2 %3 %4 %5 When I start …