2108695 - Errors 2630 and 834 when running UPDATE on a DOL user table - SAP ASE

• Receiving Error 2630 followed by Error 834 with stacktraces (see examples here) when running an 'update' statement on a DOL user table:

Error: 2630, Severity: 21, State: 1
In database 'xxxx', page 12403418 is linked backward to page 12406383, but that page is linked forward to page 12413394. Please report this internal error to Sybase Technical Support.

Error: 834, Severity: 20, State: 3
Illegal attempt to clean buffer: BUF=0x0x00002ab9724e0c38, MASS=0x0x00002ab9724e0c38,=0x0x00002ab8e797a800, dbid=16, Mass vdevno=55, vpage=115418, Buf lpage=12403418, Mass stat=0x44010001, Buf stat=0x12, size=2048, cid=3 ), Pinned xdes=0x(nil), spid=0.

• Stacktraces include these functions:

bt__lockprevpg()
bt__pgdealloc()
bt__shrinkleaf()
bt__shrink()
bt__maybeshrink()
bt__handle_pagedone()
bt_getnext()
dol_bt_getnext()

SAP Adaptive Server Enterprise (ASE) 15.5, 15.7, and 16.0

761275, CR761275, bt__lockprevpg, bt__pgdealloc, bt__shrinkleaf, bt__shrink, bt__maybeshrink, dol_bt_getnext, shrink, stack, trace , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed