Invalid data error occured.

site=sandersparts, document=/documents/orphan-pages/search-results.xml, language=fr

FTS index for site sandersparts language fr is broken, automatic rebuild impossible.

com.webalive.exception.InvalidDataException: FTS index for site sandersparts language fr is broken, automatic rebuild impossible.
at com.webalive.data.FullTextSearch.loadIndexFromTXT(FullTextSearch.java:799)
at com.webalive.data.FullTextSearch.loadIndexFromDisk(FullTextSearch.java:769)
at com.webalive.data.FullTextSearch.[init](FullTextSearch.java:61)
at com.webalive.util.listwobs.methods.FullTextSearch.populate(FullTextSearch.java:48)
at com.webalive.webalivetags.WebAliveTagListwobs.processTag(WebAliveTagListwobs.java:209)
at com.webalive.webalivetags.WebAliveTagsProcessor.processWebAlivePostProcessingClass(WebAliveTagsProcessor.java:177)
at com.webalive.webalivetags.WebAliveTagsProcessor.processWebAlivePostProcessingTags(WebAliveTagsProcessor.java:158)
at com.webalive.webalivetags.WebAliveTagsProcessor.tagsPostProcess(WebAliveTagsProcessor.java:78)
at com.webalive.document.WebAliveDocument.createNormalDocument(WebAliveDocument.java:416)
at com.webalive.document.WebAliveDocument.getHtml(WebAliveDocument.java:277)
at com.webalive.util.WebAliveUtil.insertDocumentInTemplate(WebAliveUtil.java:309)
at com.webalive.servlet.WebAliveFilter.showDocument(WebAliveFilter.java:940)
at com.webalive.servlet.WebAliveFilter.doFilter(WebAliveFilter.java:558)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:347)
at org.apache.catalina.ha.session.JvmRouteBinderValve.invoke(JvmRouteBinderValve.java:227)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:774)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:896)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:744)