Getting these exceptions when I try delete certain documents: Error number 4001 in 4: Error while parsing velocity page Wrapped Exception: Invocation of method 'searchDocuments' in class com.xpn.xwiki.api.XWiki threw exception com.xpn.xwiki.XWikiException: Error number 3223 in 3: Exception while searching documents with SQL [select distinct doc.web, doc.name from XWikiDocument as doc where doc.fullName <> ? and (doc.parent = ? or (doc.parent = ? and doc.web = ?))] Wrapped Exception: could not execute query @ <unknown template>[11,24] com.xpn.xwiki.XWikiException: Error number 4001 in 4: Error while parsing velocity page Wrapped Exception: Invocation of method 'searchDocuments' in class com.xpn.xwiki.api.XWiki threw exception com.xpn.xwiki.XWikiException: Error number 3223 in 3: Exception while searching documents with SQL [select distinct doc.web, doc.name from XWikiDocument as doc where doc.fullName <> ? and (doc.parent = ? or (doc.parent = ? and doc.web = ?))] Wrapped Exception: could not execute query @ <unknown template>[11,24] at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRendere r.java:157) at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1353) at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1314) at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:105) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:158) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestPr ocessor.java:431) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java: 236) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica tionFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:206) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodi ngFilter.java:117) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica tionFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv e.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv e.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java :128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve. java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:2 63) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:84 4) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process( Http11Protocol.java:584) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Unknown Source)