Hello, I am using FS 1.6.17 for PBX system.It was working fine since last one month.Since last two days it has started crashing randomly.All the core dump show same error as mentioned below : #0 hash (h=0x2e362e312f706973, k=k@entry=0x7f3ea0001100) at ./src/include/private/switch_hashtable_private.h:53 i = <optimized out> #1 switch_hashtable_search (h=0x2e362e312f706973, k=k@entry=0x7f3ea0001100) at src/switch_hashtable.c:231 e = <optimized out> hashvalue = 2433273728 #2 0x00007f3edfb59885 in switch_core_hash_find (hash=<optimized out>, key=key@entry=0x7f3ea0001100 "register") at src/switch_core_hash.c:178 No locals. #3 0x00007f3e90d28690 in sofia_glue_find_profile__ (file=file@entry=0x7f3e90e2c27a "sofia_presence.c", func=func@entry=0x7f3e90e32500 <__func__.29963> "actual_sofia_presence_mwi_event_handler", line=line@entry=521, key=0x7f3ea0001100 "register") at sofia_glue.c:1630 profile = <optimized out> Please find whole core dump : https://pastebin.com/xP2ziRMX System is in production.Please help. -- Thanks, Sagar