[sqwebmail] Installation error

[Benjamin de los Angeles Jr.,Guamcell Communications]

Hi,
Anyone knows why this error appears when intalling sqwebmail-3.4.0.20021026?
gmake[1]: Entering directory `/export/home0/b/bench/downloads/sqwebmail/sqwebmail-3.4.0.20021026/maildir'
Compiling autoresponse.c
autoresponse.c:7: autoresponsequota.h: No such file or directory
gmake[1]: *** [autoresponse.o] Error 1
gmake[1]: Leaving directory `/export/home0/b/bench/downloads/sqwebmail/sqwebmail-3.4.0.20021026/maildir'
gmake: *** [install-recursive] Error 1

Thanks!
Bench