Error in MWS logs portalLoggingLibrary

Hi,

I’m getting the folliwing error in MWS log:

2009-03-30 11:50:39 AST (search : WARN) - /opt/webMethods7/MWS/server/default/data/logging/portalLoggingLibrary/_1ju.fnm (No such file or directory)
java.io.FileNotFoundException: /opt/webMethods7/MWS/server/default/data/logging/portalLoggingLibrary/_1ju.fnm (No such file or directory)
at java.io.RandomAccessFile.open(Native Method)
at java.io.RandomAccessFile.(RandomAccessFile.java:212)
at org.apache.lucene.store.FSInputStream$Descriptor.(FSDirectory.java:376)
at org.apache.lucene.store.FSInputStream.(FSDirectory.java:405)
at org.apache.lucene.store.FSDirectory.openFile(FSDirectory.java:268)
at org.apache.lucene.index.FieldInfos.(FieldInfos.java:53)
at org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:109)
at org.apache.lucene.index.SegmentReader.(SegmentReader.java:94)
at org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:480)
at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:366)
at org.apache.lucene.index.IndexWriter.addIndexes(IndexWriter.java:381)
at com.webmethods.portal.service.search.impl.lucene.LuceneSearchService.mergeRamDirectoryToDisk(LuceneSearchService.java:1178)
at com.webmethods.portal.service.search.impl.lucene.LuceneSearchService.mergeAllRamDirectoriesToDisk(LuceneSearchService.java:1211)
at com.webmethods.portal.service.search.impl.lucene.LuceneSearchService$MergeThread.run(LuceneSearchService.java:207)

Do I need to create that file or it should be already created?

Thanks,
Francisco Pereira