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error occurred during Linking SVN Revisions to Work Items

I encountered error as below, could anyone help? thanks in advance.
An internal error occurred during: "Linking SVN Revisions to Work Items".
org/tigris/subversion/subclipse/core/ISVNRemoteFolder.getLogMessages(Lorg/tigris/subversion/svnclientadapter/SVNRevision;Lorg/tigris/subversion/svnclientadapter/SVNRevision;Lorg/tigris/subversion/svnclientadapter/SVNRevision;ZZJ)[Lorg/tigris/subversion/svnclientadapter/ISVNLogMessage;