Cant join server

Hello,

my server (1.4.5) is fully running but i cant join it. A Error in the terminal appears:

gdelivery::matrixpasswd query, user=xforcer
TRACE : gdeliveryserver::statusannounce,online=0,fakemax=6000,load=0,attr=-805306368
TRACE : checkpoint begin.
TRACE : checkpoint end.
TRACE : gdelivery::passwdtimeout. user=xforcer
TRACE : gdelivery::matrixpasswd cache missing, user=xforcer
TRACE : checkpoint begin.
TRACE : KeepAlive sid=7

and then the client says Username/Password false ore Server Network Error

plz help