SQL Server Error Message:
"Msg 617, Level 20, State 1, Line 1 Descriptor for object ID %ld in database ID %d not found in the hash table during attempt to unhash it. A work table is missing an entry. Rerun the query. If a cursor is involved, close and reopen the cursor."
What and Why "this Error":
This error occurs when a Microsoft SQL Server finds a problem with a statement issued by the current process. This could be because of many reasons like :
- File level corruption
- Statement tried to access a corrupted page
- Current statement tried to find record on missing or corrupted page/record/file/index
- Statement tried to access a corrupted table / index
- The table / object which is reference in the query is missing
Action Required to resolve this Error:
- Ensure that object, which you are referencing in query is valid and exists in database. you can use the following query
use <db_name> — where you are running the query
go
select name from sys.objects where name = ‘table_name’
- If the index is corrupted, rebuild the index
- You need to check database consistency to confirm there is no corruption in the database by running statements
DBCC CHECKCATALOG , DBCC CHECKTABLE and DBCC CHECKDB
Note:
- Severity level 20 indicates a problem with a statement issued by the current process.
- %d, %ld, or %D means Decimal integer value
%x means Hexadecimal number value
%ls or %.*ls means Character string value
%S_type means SQL Server -defined structure value
%c means Single character value
%lf means Double floating-point number value
