Problem using Frequently Asked Report (Query Report)

I used to get this kind of error where the syntax is default by the system:

Can anyone advise. Tq

org.postgresql.util.PSQLException: ERROR: syntax error at or near "'Total Number of calls created'"

Position: 442

at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2102)

at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1835)

at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:257)

at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:500)

at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:374)

at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:254)

at org.jboss.resource.adapter.jdbc.WrappedStatement.executeQuery(WrappedStatement.java:250)

at com.adventnet.servicedesk.reports.utils.CoreReportDesigner.generateSQLReport(CoreReportDesigner.java:7871)

at com.adventnet.servicedesk.reports.action.ReportRequestHandler.runSQLQueryReport(ReportRequestHandler.java:1669)

at com.adventnet.servicedesk.reports.action.ReportRequestHandler.handleRequest(ReportRequestHandler.java:1987)

at com.adventnet.servicedesk.reports.action.CustomReportHandler.handleRequest(CustomReportHandler.java:175)

at com.adventnet.servicedesk.reports.action.ReportHandler.execute(ReportHandler.java:59)

at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)

at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)

at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)

at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)

at com.manageengine.servicedesk.common.filter.ResetThreadLocal.doFilter(ResetThreadLocal.java:26)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)

at com.adventnet.servicedesk.filter.EncodingFilter.doFilter(EncodingFilter.java:162)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)

at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:350)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)

at com.adventnet.servicedesk.authentication.NTLMV2CredentialAssociationFilter.doFilter(NTLMV2CredentialAssociationFilter.java:34)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)

at com.adventnet.servicedesk.authentication.NTLMV2Filter.doFilter(NTLMV2Filter.java:176)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)

at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)

at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)

at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:66)