[2.4.5] LDAPS Panic: file ldap-utils.c: line 66: unreached

Hello,

LDAP in passdb with 389 port works pretty well. But when I change port to 636 and use ldaps:// I get the error:

auth: Panic: file ldap-utils.c: line 66: unreached
auth: Error: Raw backtrace: #0 default_fatal_finish[0x7a7e387b9ef4] -> #1 fatal_handler_real[0x7a7e387b9fb2] -> #2 i_internal_fatal_handler[0x7a7e387bb36d] -> #3 i_panic[0x7a7e387ba1ec] -> #4 i_unreached[0x7a7e387bb867] -> #5 ldap_set_opt_str[0x7a7e3763ad84] -> #6 ldap_set_tls_options[0x7a7e3763af3d] -> #7 ldap_set_options[0x7a7e3763200d] -> #8 db_ldap_init_ld[0x7a7e3763230f] -> #9 db_ldap_init[0x7a7e37633efb] -> #10 passdb_ldap_preinit[0x7a7e37635d22] -> #11 passdb_preinit[0x55cc948e7eb9] -> #12 auth_passdb_preinit[0x55cc948c0193] -> #13 auth_preinit[0x55cc948c0a87] -> #14 auths_preinit[0x55cc948c16de] -> #15 main_preinit[0x55cc948bf3e2] -> #16 main[0x55cc948bfae2] -> #17 __libc_init_first[0x7a7e383671d0] -> #18 __libc_start_main[0x7a7e38367280] -> #19 _start[0x55cc948bee20]
master: Error: service(auth): command startup failed, throttling for 16.000 secs
auth: Fatal: master: service(auth): child 344291 killed with signal 6 (core dumps disabled - https://dovecot.org/bugreport.html#coredumps)