[Users] Problem with pa module

Hello, I've installed the presence server module (pa) and get following messages on the console after I've sent a SUBSCRIBE request to the server. The server crashs after these message occured. If you need more informations to this, just let me know. Regards, Jon H. Yip 6(2727) handle_subscription() entered 6(2727) parsing accept header 6(2727) check_message -0- _m=0x812e0e0 6(2727) check_message -1- 6(2727) pa check_message: accept=application/pidf+xml parsed=:0x30005 6(2727) check_message -2- accepts_mimes=0x812eb38 6(2727) check_message -3- 6(2727) check_message -4- parsed_event=0x812eaf8 6(2727) check_message -4- eventtype=0x0001 6(2727) check_message -4a- eventtype=0x1 epm[i].event_type=0x1 6(2727) check_message -4c- eventtype=0x1 mimetype=0x30005 accepts_mimes[k]=0x30005 6(2727) check_message -4b- eventtype=0x1 accepts_mime=0x30005 6(2727) get_pres_uri: _puri=sip:wsl.informatik.uni-ulm.de 6(2727) handle_subscription(): -1- 0(2708) child process 2727 exited by a signal 11 0(2708) core was not generated 0(2708) INFO: terminating due to SIGCHLD 10(2739) INFO: signal 15 received 11(2742) INFO: signal 15 received 12(2745) INFO: signal 15 received 13(2748) INFO: signal 15 received 14(2751) INFO: signal 15 received 1(2712) INFO: signal 15 received 2(2715) INFO: signal 15 received 3(2718) INFO: signal 15 received 4(2721) INFO: signal 15 received 5(2724) INFO: signal 15 received 7(2730) INFO: signal 15 received 8(2733) INFO: signal 15 received 9(2736) INFO: signal 15 received 15(2754) INFO: signal 15 received 0(2708) BUG: shutdown timeout triggered, dying...