SSSD service fails with status=3/NOTIMPLEMENTED

Issue

• After installing sssd-ldap-2.9.6-4, sssd service fails to start.

# systemctl status sssd
× sssd.service - System Security Services Daemon
     Loaded: loaded (/usr/lib/systemd/system/sssd.service; enabled; preset: enabled)
     Active: failed (Result: exit-code) since Mon 2025-06-23 10:09:27 CST; 15min ago
   Duration: 3d 23h 4min 45.302s
   Main PID: 27580 (code=exited, status=3)
        CPU: 0

Jun 23 10:09:27 rhel9 systemd[1]: Starting System Security Services Daemon...
Jun 23 10:09:27 rhel9 sssd[27580]: Starting up
Jun 23 10:09:27 rhel9 systemd[1]: sssd.service: Main process exited, code=exited, status=3/NOTIMPLEMENTED
Jun 23 10:09:27 rhel9 systemd[1]: sssd.service: Failed with result 'exit-code'.
Jun 23 10:09:27 rhel9 systemd[1]: Failed to start System Security Services Daemon.

• sssd.log file shows the following errors:

   *  (2025-06-23 10:09:27): [sssd] [sysdb_ldb_connect] (0x4000): No ldb module path set in env
   *  (2025-06-23 10:09:27): [sssd] [ldb] (0x0010): WARNING: Module [memberof] not found - do you need to set LDB_MODULES_PATH?
(2025-06-23 10:09:27): [sssd] [ldb] (0x0010): Unable to load modules for /var/lib/sss/db/cache_default.ldb: (null)
   *  ... skipping repetitive backtrace ...
(2025-06-23 10:09:27): [sssd] [sysdb_cache_connect_helper] (0x0020): sysdb_ldb_connect failed.
(2025-06-23 10:09:27): [sssd] [sysdb_domain_init_internal] (0x0020): Could not open the sysdb cache [5]: input/output error
********************** PREVIOUS MESSAGE WAS TRIGGERED BY THE FOLLOWING BACKTRACE:
   *  (2025-06-23 10:09:27): [sssd] [sysdb_cache_connect_helper] (0x0020): sysdb_ldb_connect failed.
   *  (2025-06-23 10:09:27): [sssd] [sysdb_domain_init_internal] (0x0020): Could not open the sysdb cache [5]: input/output error
********************** BACKTRACE DUMP ENDS HERE *********************************
(2025-06-23 10:09:27): [sssd] [sysdb_init_ext] (0x0020): Cannot connect to database for default: [5]: input/output error