make readmes errors

[fire jotawski]

hi sirs,

my machine is FreeBSD siting.oaep.go.th 7.0-RELEASE FreeBSD 7.0-RELEASE #3:
Fri Mar  7 03:20:47 ICT 2008
root at siting.oaep.go.th:/usr/obj/usr/src/sys/SITING
i386
i try making README.html for all ports but get errors at the last state as

Creating README.html for all ports
/usr/ports/Tools/make_readmes : Permission denied
*** Error code 126

please help me in makeing readme.html
thanks in advance for any hints.

with best regards,
psr