Event ID - 4138

Event Id4138
SourceMssCi
DescriptionContent index corruption detected in component CI-RcovStorageObj1 in catalog e:\ft\SQL0000800005\Build\Indexer\NlFiles.
Stack trace is
0x01045027
0x0104BE13
0x010469E0
0x0104D0CD
0x01048477
0x013BCE70
0x013B9D9F
0x013BA645
0x009F4251
0x009F450D
0x0138CE4C
0x0138E1D0
0x00A32783
0x00A2247A
0x00A99965
0x00AA5BDC
0x77E8758A

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp
Event InformationWhen MSSearch tries to mount a SQL Server full-text catalog that is the older format and it reports that the catalog is corrupted, for each full-text catalog mounted at startup by MSSearch you receive this event id along with several Microsoft Search events.

Following microsoft documents will give more information.
Reference LinksInstalling SQL Server 2000 Service Pack 3 Rebuilds All Full-Text Catalogs

Backward Compatibility for Full-Text Search/Microsoft Search

Full Text RANK Results May Vary After Catalog Repopulation

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