I found this in log file:
2013-11-22 13:35:03 WARN [CONFIG] Invalid item on line 22 of ../rtpdc/etc/server.conf -> `yp1debug'
2013-11-22 13:35:03 WARN [CONFIG] Deprecated statement found on line 88 of ../rtpdc/etc/server.conf -> change autodumpsourcetime_1=30 to autodumptime_1=30
2013-11-22 13:35:03 WARN [CONFIG] Invalid item on line 102 of ../rtpdc/etc/server.conf -> `yp2'
2013-11-22 13:35:03 WARN [CONFIG] Invalid item on line 164 of ../rtpdc/etc/server.conf -> `specialfiletmpdir'