[SR-Users] get_profile_size() function help

Hello bother again what's the problem with the function get_profile_size() My script modparam("dialog", "enable_stats", 1) modparam("dialog", "dlg_flag", 4) modparam("dialog", "dlg_mode", 1) modparam("dialog", "db_url", "mysql://openser:openserrw@localhost/openser") modparam("dialog", "profiles_no_value", "inbound ; outbound") ... if(is_method("INVITE")) { ... dlg_manage(); set_dlg_profile("inbound"); ... get_profile_size("inbound","$avp(size)"); ... } ============================================ when program runs to the function get_profile_size(), the proxy will be terminate. log file: ALTER: <core> [main.c 722] : child process 29651 exited by sinal 11 ALTER: <core> [main.c 725] : core was generated INFO : <core> [main.c 737] : terminating due to SIGCHILD ============================================ what' s the problem? Did I use the func wrong? thanks