I am having the below Error while executing the kamailio cfg file. Before an hour it executed successfully, There is no changes in cfg.

loading modules under config path: /usr/local/lib64/kamailio/modules/
 0(27575) : <core> [core/mem/shm.c:105]: shm_getmem(): could not attach shared memory segment: Cannot allocate memory
 0(27575) : <core> [core/mem/q_malloc.c:1203]: qm_malloc_init_shm_manager(): could not initialize qm shm memory pool
Too much qm shm memory demanded: 67108864 bytes
 0(27575) CRITICAL: <core> [core/cfg.y:3414]: yyerror_at(): parse error in config file /usr/local/etc/kamailio/config/kamailio_final.cfg, line 302, column 39: Can't initialize shared memory
ERROR: bad config file (1 errors)