3502182 - Error 605 State: 9 on user tables - SAP ASE

Error 605 is reported in the SAP ASE errorlog on ASE 160 SP04 PL05 and ASE 160 SP03 PL14 / EBF 30854 or EBF 30932:

Error: 605, Severity: 21, State: 9
An attempt was made to fetch logical page '90459936' from cache 'default data cache'. Page belongs to database 'XXX' (7), object '<Unknown>' (0), index '<Unknown>' (0), partition '<Unknown>' (-1) and not to database 'XXX' (7), object 'zzzzzz' (373573338), index 'zzzzzz' (0), partition 'zzzzzz_389573395' (389573395).

It is accompanied by a stacktrace referencing the functions:

wrongpage__print_diagnostic
wrongpage
getpage_with_validation
hkgc__getpage
hkgc__processelem
hkgc_garbagecollect
hk_gc_proc

The offending object mentioned in the error message is clean and free of errors when checked via "dbcc checktable".
This object could be empty, without any rows as well, in some cases.

• SAP Adaptive Server Enterprise (ASE) 16.0 SP04 PL05 and ASE 160 SP03 PL14 / EBF 30854 or EBF 30932
• SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite 16.0 SP04 PL05 and ASE 160 SP03 PL14 / EBF 30854 or EBF 30932
• SAP NetWeaver (NW) - All versions

605, housekeeper, HKGC, page, 829336, #829336, CR 829336, CR#829336 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Problem