Hi,

can anyone tell what type of error is this

--------------------Configuration: libming - Win32 Debug--------------------
Performing Custom Build Step on ..\src\actioncompiler\swf5compiler.y
'bison.exe' is not recognized as an internal or external command,
operable program or batch file.
'bison.exe' is not recognized as an internal or external command,
operable program or batch file.
Error executing c:\windows\system32\cmd.exe.



thanks in advance