2821057 - After upgrading, ASE immediately started receiving errors including 644, 11068 and infected messages - SAP ASE

After doing a minor upgrade, the proxy_db starting having issues, there are several different examples of errors  received immediately after the upgrade progress:

example 1:

Error: 644, Severity: 21, State: 5
Index row entry for data row id (1049, 35) is missing from index page 1705 of index id 2 of table 'syscolumns' in database 'proxy_db'. Xactid is (854486,7). Drop and re-create the index.

Error: 11068, Severity: 20, State: 1
Transaction was found in the incorrect state of 'Command-attached'. The expected state was 'Done command-attached'.

pcstkwalk
terminate_process
s_handle
exc__raise
s_estmt_loopend
s_execute

example 2:

infected with signal 11 (SIGSEGV)
dol_update
WARNING: 1 buffer was found in a predirty state during the termination of spid 122
terminate_process
dol_update
update
omni_backout
omni_create_existing
mni_crt_main
dso_crt_main

example 3:

infected with signal 11 (SIGSEGV)
__sc_onstack:
__sc_uerror:

redo_dol_noop
WARNING: 1 buffer was found in a predirty state during the termination of spid 2
recovery
boot__recover_and_online
rec__caller_hdlr
rec__boot_recover_dbs
rec_run_parallel_recovery
dorecover
ds__recoverdbs

• SAP Adaptive Server Enterprise 15.7
• SAP Adaptive Server Enterprise 16.0

KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed