[SR-Users] kamailio 4.2 ，have some problems when use mysql db

Oct 20 08:14:45 ka[15500]: INFO: rr [../outbound/api.h:54]: ob_load_api(): Failed to import bind_ob Oct 20 08:14:45 ka[15500]: INFO: rr [rr_mod.c:160]: mod_init(): outbound module not available Oct 20 08:14:45 ka[15500]: INFO: usrloc [hslot.c:53]: ul_init_locks(): locks array size 1024 Oct 20 08:14:45 ka[15500]: INFO: auth [auth_mod.c:350]: mod_init(): auth: qop set, but nonce-count (nc_enabled) support disabled Oct 20 08:14:45 ka[15500]: ERROR: <core> [db_res.c:114]: db_new_result(): no private memory left Oct 20 08:14:45 ka[15500]: ERROR: db_mysql [km_dbase.c:229]: db_mysql_store_result(): no memory left Oct 20 08:14:45 ka[15500]: ERROR: <core> [db_query.c:139]: db_do_query_internal(): error while storing result Oct 20 08:14:45 ka[15500]: ERROR: <core> [db.c:401]: db_table_version(): error in db_query Oct 20 08:14:45 ka[15500]: ERROR: dispatcher [dispatch.c:669]: init_ds_db(): failed to query table version Oct 20 08:14:45 ka[15500]: ERROR: dispatcher [dispatcher.c:319]: mod_init(): could not initiate a connect to the database Oct 20 08:14:45 ka[15500]: ERROR: <core> [sr_module.c:968]: init_mod(): Error while initializing module dispatcher (/lib64/kamailio/dispatcher.so) I need help.thks