ODSEE 11.1.1.5.0 failed to start after working on indexes

Customer is using ODSEE 11.1.1.5.0 and add indexes to LDAP. Then run also recreate indexes.

They told me that this hangs and then they restarts the slapd Instance.

Now the instace failed to start and write core file

We are running on Solaris and psatck shows

pstack  core

core 'core' of 22455:   /opt/dsee7/lib/64/ns-slapd -D /ldap/myaudi -i /ldap/myaudi/logs/pid

fffffd7fff1a20f7 str2charray () + 27

fffffd7ffccc0850 attr_index_config () + 110

fffffd7ffccbd747 ldbm_index_parse_entry () + 597

fffffd7ffccbd801 ldbm_index_init_entry_callback () + 31

fffffd7fff1b7526 dse_call_callback () + b6

fffffd7fff1b5f08 do_dse_search () + 118

fffffd7fff1b6203 dse_search () + 1f3

fffffd7fff1cd44d op_shared_search () + 7fd

fffffd7fff1ade41 search_internal_callback_pb () + 1b1

fffffd7fff1adb15 search_internal_pb () + d5

fffffd7ffccbb394 read_instance_index_entries () + b4

fffffd7ffccbaefd ldbm_instance_config_allids_set () + 1d

fffffd7ffccba239 ldbm_config_set () + 329

fffffd7ffccbb22b ldbm_instance_config_setup_default () + 5b

fffffd7ffccae06f ldbm_instance_create () + 12f

fffffd7ffccbc2b7 ldbm_instance_generate () + 67

fffffd7ffccbc7ba ldbm_instance_add_instance_entry_callback () + 1ba

fffffd7ffccb9793 ldbm_config_read_instance_entries () + d3

fffffd7ffccb98ff ldbm_config_load_dse_info () + 12f

fffffd7ffcc8a924 ldbm_back_start () + 64

fffffd7fff1a4f8a plugin_call_one () + da

fffffd7fff1a4731 plugin_dependency_startall () + 681

fffffd7fff1a4d04 plugin_startall () + 34

0000000000417c8b main () + 8ab

000000000041076c ???????? ()

I cannot find on Oracle knwolede base and hit with entries from this stack.

Any Idea to bring up the instance again ?

Regards Klaus