All bgp routes flapped and when checking the logs and system status it shows "protocols started" along with the following entries:

Dec 18 14:34:49 switch mgd[92731]: UI_WRITE_LOSTCONN: Lost connection to peer 'routing'

Dec 18 14:34:49 switch jlaunchd: routing (PID 84956) terminated by signal number 11. Core dumped!

Dec 18 14:34:49 switch jlaunchd: Registered PID 92829((null)): exec_command

Dec 18 14:34:49 switch jlaunchd: Dump Command: /bin/sh (PID 92829) started

Dec 18 14:34:49 switch jlaunchd: Registered PID 92830(routing): exec_command

Dec 18 14:34:49 switch jlaunchd: routing (PID 92830) started

Dec 18 14:34:49 switch jlaunchd: Registered PID 92830(routing): new process

The following core-dump was generated:

root@switch> show system core-dumps no-forwarding
-rw-rw----  1 root  wheel   44458585 Dec 18 14:35 /var/tmp/rpd.core-tarball.3.tgz

Executing the command "show dynamic-tunnels database" will crash RPD on releases prior to 19.3. This issue is not seen in Junos OS 19.3R1 and later.