3086329 - Rids have no associated ridmap or mergemap - SAP IQ

Customer hit in non-fatal stack trace after ridmap missing region:

=====

Informational: Index Cardinality Exceeded Converting index to flat:
....
....
barray t000000000000000 *** ridmap missing region for [nnnnnnn,nnnnnnn]] previous region: [nnnnnnn,nnnnnnn]] current region: [nnnnnnn,nnnnnnn]]
...
barray t000000000000000 C5 BEGIN dump RidMap:
barray t000000000000000 C5 startRecid=1 endRecid=32704 block=1 hasNBit=0 MinMax=(5572650,8468038)
....
....
barray t000000000000000 C5 END dump RidMap
...
...
hs_dp::CheckIndexConsistency
df_FPRolloverIterator::ExecWork
workAllocator::DoWork
hos_thread::Main
hos_lwtask::Start
IQWorkerStarter
run_task_body
UnixTask::pre_body
__do_global_dtors_aux_fini_array_entry
....
** End of stack trace from Non-Fatal IQ Internal Error slib/s_dpidx.cxx:7771

=====

It was checked the consistency and there is not any error.

The issue happens randomly depending on the server activity and generally after a huge temporary table operations.

SAP IQ 16.1. SP03 PL09

ridmap missing region mergemap s_dpidx.cxx hs_dp::CheckIndexConsistency df_FPRolloverIterator::ExecWork temporary table CR 825366 CR825366 , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed