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SQL Server detected a logical consistency-based I/O error

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--Error Number 824DESCRIPTION: SQL Server detected a logical consistency-based I/O error: incorrect pageid (expected 1:845407; actual 1:607839). It occurred during a read of page (1:845407) in database ID 46 at offset 0x0000019ccbe000 in file ‘xx.mdf'. Additional messages in the SQL Server error log or system event log may provide more detail. This is a severe error condition that threatens database integrity and must be corrected immediately. Complete a full database consistency check (DBCC CHECKDB). This error can be caused by many factors; for more information, see SQL Server Books Online.--If run this , I am getting below specified error message DBCC CHECKDB ('DBname') WITH NO_INFOMSGS, ALL_ERRORMSGS--Error message:Msg 8946, Level 16, State 12, Line 1Table error: Allocation page (1:145584) has invalid PFS_PAGE page header values. Type is 0. Check type, alloc unit ID and page ID on the page.Msg 8921, Level 16, State 1, Line 1Check terminated. A failure was detected while collecting facts. Possibly tempdb out of space or a system table is inconsistent. Check previous errors.Msg 8998, Level 16, State 2, Line 1Page errors on the GAM, SGAM, or PFS pages prevent allocation integrity checks in database ID 6 pages from (1:145584) to (1:153671). See other errors for cause.Msg 8939, Level 16, State 98, Line 1Table error: Object ID 0, index ID -1, partition ID 0, alloc unit ID 72057594050707456 (type Unknown), page (1:145584). Test (IS_OFF (BUF_IOERR, pBUF->bstat)) failed. Values are 62916617 and -4.Msg 8939, Level 16, State 98, Line 1Table error: Object ID 0, index ID -1, partition ID 0, alloc unit ID 72057594050707456 (type Unknown), page (1:145584). Test (IS_OFF (BUF_IOERR, pBUF->bstat)) failed. Values are 62916617 and -4.Can you suggest me to resolve this please….Can you please let me know if you need any other details….Thank you in Advance…..Krishna

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