error information

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Message: Could not find file 'C:\home\site\wwwroot\umbraco\Data\TEMP\ExamineIndexes\ExternalIndex\_9r3.cfs'.

StackTrace:
at Microsoft.Win32.SafeHandles.SafeFileHandle.CreateFile(String fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options)
at Microsoft.Win32.SafeHandles.SafeFileHandle.Open(String fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Nullable`1 unixCreateMode)
at System.IO.Strategies.OSFileStreamStrategy..ctor(String path, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Nullable`1 unixCreateMode)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
at Lucene.Net.Store.MMapDirectory.OpenInput(String name, IOContext context)
at Lucene.Net.Store.MMapDirectory.CreateSlicer(String name, IOContext context)
at Lucene.Net.Store.NRTCachingDirectory.CreateSlicer(String name, IOContext context)
at Lucene.Net.Store.CompoundFileDirectory..ctor(Directory directory, String fileName, IOContext context, Boolean openForWrite)
at Lucene.Net.Index.SegmentReader.ReadFieldInfos(SegmentCommitInfo info)
at Lucene.Net.Index.SegmentReader..ctor(SegmentCommitInfo si, Int32 termInfosIndexDivisor, IOContext context)
at Lucene.Net.Index.ReadersAndUpdates.GetReader(IOContext context)
at Lucene.Net.Index.ReadersAndUpdates.GetReadOnlyClone(IOContext context)
at Lucene.Net.Index.StandardDirectoryReader.Open(IndexWriter writer, SegmentInfos infos, Boolean applyAllDeletes)
at Lucene.Net.Index.IndexWriter.GetReader(Boolean applyAllDeletes)
at Lucene.Net.Index.DirectoryReader.Open(IndexWriter writer, Boolean applyAllDeletes)
at Lucene.Net.Search.SearcherManager..ctor(IndexWriter writer, Boolean applyAllDeletes, SearcherFactory searcherFactory)
at Examine.Lucene.Providers.LuceneIndex.CreateSearcher()
at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode) --- End of stack trace from previous location ---
at System.Lazy`1.CreateValue()
at Examine.Lucene.Providers.LuceneIndex.get_Searcher()
at AspNetCore.Views_Pages_Search.ExecuteAsync() in C:\home\site\wwwroot\Views\Pages\Search.cshtml:line 136

Source: System.Private.CoreLib