It would be easier to know if the code that fails was posted, but I suspect an OPCODEDIR issue. On Saturday 04 March 2006 03:05, Victor Lazzarini wrote: > Can you show us the csound code? FLTK is in Csound 5. > It might be that you are using an opcode not in the > Csound 5 set (check the manual to see if it's there). > > > Hi > > I need FLTK to develop UI. I tried to run the orc/sco I > > wrote for CSoundAV (which works fine in CSoundAV) with > > CSound 5 (csound.exe and cs.exe). The errors seems that it > > can't recognize the FLTK opcode. Anything I need > > to do for enabling FLTK in CSound 5? Thanks. > > > > Chaochi