The service automatically stops and cannot be started

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Freeraius service auto stops and cannot be started. the following is the log record, please help to check.



#systemctl status freeradius.service 

freeradius.service - FreeRADIUS multi-protocol policy server   Loaded: loaded (/lib/systemd/system/freeradius.service; disabled; vendor preset: enabled)
   Active: activating (start-pre) since Fri 2023-01-06 08:11:17 CST; 100ms ago
     Docs: man:radiusd(8)
           man:radiusd.conf(5)
           http://wiki.freeradius.org/
           http://networkradius.com/doc/
 Main PID: 2519 (code=killed, signal=SEGV); Control PID: 1631 (freeradius)
    Tasks: 1 (limit: 4915)
   CGroup: /system.slice/freeradius.service
           └─1631 /usr/sbin/freeradius -Cxm -lstdout

# systemctl start freeradius.service 

Job for freeradius.service failed because the control process exited with error code.
See "systemctl status freeradius.service" and "journalctl -xe" for details.

# journalctl -xe-- Subject: Unit freeradius.service has failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
-- 
-- Unit freeradius.service has failed.
-- 
-- The result is RESULT.

freeradius.service: Service hold-off time over, scheduling restart.

freeradius.service: Scheduled restart job, restart counter is at 1441.

-- Subject: Automatic restarting of a unit has been scheduled-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
-- 
-- Automatic restarting of the unit freeradius.service has been scheduled, as the result for
-- the configured Restart= setting for the unit.

Stopped FreeRADIUS multi-protocol policy server.-- Subject: Unit freeradius.service has finished shutting down
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
-- 
-- Unit freeradius.service has finished shutting down.

Starting FreeRADIUS multi-protocol policy server...-- Subject: Unit freeradius.service has begun start-up
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
-- 
-- Unit freeradius.service has begun starting up.

: FreeRADIUS Version 3.0.16: Copyright (C) 1999-2017 The FreeRADIUS server project and contributors
: There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
: PARTICULAR PURPOSE
: You may redistribute copies of FreeRADIUS under the terms of the
: GNU General Public License
: For more information about these matters, see the file named COPYRIGHT
: Starting - reading configuration files ...
: Debugger not attached
: Creating attribute Unix-Group
: [/etc/freeradius/3.0/mods-config/attr_filter/access_reject]:11 Check item "FreeRADIUS-Response-Delay"         found in filter list for realm "DEFAULT".
: [/etc/freeradius/3.0/mods-config/attr_filter/access_reject]:11 Check item "FreeRADIUS-Response-Delay-USec"         found in filter list for realm "DEFAULT".
: rlm_mschap (mschap): using internal authentication
: rlm_detail (auth_log): 'User-Password' suppressed, will not appear in detail output
: rlm_cache (cache_eap): Driver rlm_cache_rbtree (module rlm_cache_rbtree) loaded and linked
: /etc/freeradius/3.0/sites-enabled/inner-tunnel[250]: Failed to find "eap" as a module or policy.
: /etc/freeradius/3.0/sites-enabled/inner-tunnel[250]: Please verify that the configuration exists in /etc/freeradius/3.0/mods-enabled/eap.
: /etc/freeradius/3.0/sites-enabled/inner-tunnel[200]: Errors parsing authenticate section.
: freeradius.service: Control process exited, code=exited status=1
: freeradius.service: Failed with result 'exit-code'.
: Failed to start FreeRADIUS multi-protocol policy server.