Agent.php . Strange Error

[akashif]

hi

i am using PSA 7.5.2 Reloaded
i have been using PSA APIs from a long time.
but suddenly it started giving me following Error.
-----------------------------------------------------
< Content-Type: text/html
</////
_pg"u(crpe';l; gai;is
aPxt'a $8e iloco' oso
cc$i
o)t;-(/////f e $ >u_f rrc)bnet$r >o
ogitog/o m;ceulesy
rgoled:_ :qts r _rI>l ce_$$i_ ut)r l)e
. w o;esrfddfew e$=
e;w }ite)nis
n(s be
nle..
o ((n($exAI, ini nr ;r erCe sr
-oR_Rnsis.or))u
;f_"a nrao/S
l
sis(
nleln'i;nS_d_0(e irANEUoln:kE(e}ruai
tn;n
Ç*
-----------------------------------------------------

this response is sent by server on every request . no matter what request is , response is same.
i have already tried to reboot the Server. but error is still there.

Even i have tested the Server wiht these Examples
http://download1.sw-soft.com/Plesk/Plesk7.5/Doc/plesk-7.5r-sdk-html/docs/plesk_agent/ch03.html

but response is same Error like thing.
..............

i tried to use the same-code on an other server , and it works fine. any one have any idea what exectly had happond to server.
( php code is fine 100% sure)

any one have any idea.

Ali Kashif