Getting error that item not found in bonita portal???

Actually I am trying to make report of database content using bonita bpm and jasper connector and I think as for my knowledge I have done every thing correct…because my log file is not showing any error ,this is my log file…

     2016-05-27 18:39:41.127 +0530 org.bonitasoft.engine.api.impl.ProcessManagementAPIImplDelegate org.bonitasoft.engine.log.technical.TechnicalLoggerSLF4JImpl log 

INFO: THREAD_ID=155 | HOSTNAME=ranvir-Vostro-1550 | TENANT_ID=1 | The user <walter.bates> has deleted process with id = <5843303246299932148>
2016-05-27 18:39:44.135 +0530 org.bonitasoft.engine.bar.BusinessArchiveServiceImpl org.bonitasoft.engine.log.technical.TechnicalLoggerSLF4JImpl log
INFO: THREAD_ID=80 | HOSTNAME=ranvir-Vostro-1550 | TENANT_ID=1 | The user <walter.bates> has installed process <Report_Creation> in version <1.0> with id <8081907115711521112>
2016-05-27 18:39:44.728 +0530 org.bonitasoft.engine.api.impl.transaction.process.EnableProcess org.bonitasoft.engine.log.technical.TechnicalLoggerSLF4JImpl log
INFO: THREAD_ID=87 | HOSTNAME=ranvir-Vostro-1550 | TENANT_ID=1 | The user <walter.bates> has enabled process <Report_Creation> in version <1.0> with id <8081907115711521112>
2016-05-27 18:39:44.873 +0530 org.bonitasoft.engine.api.impl.ProcessStarter org.bonitasoft.engine.log.technical.TechnicalLoggerSLF4JImpl log
INFO: THREAD_ID=87 | HOSTNAME=ranvir-Vostro-1550 | TENANT_ID=1 | The user <walter.bates> has started the process instance <63082> of process <Report_Creation> in version <1.0> and id <8081907115711521112>
2016-05-27 18:39:44.919 +0530 org.bonitasoft.connectors.jasper.CreateReportFromDataBase org.bonitasoft.connectors.jasper.CreateReportFromDataBase initInputs
INFO: dbDriver com.mysql.jdbc.Driver
2016-05-27 18:39:44.919 +0530 org.bonitasoft.connectors.jasper.CreateReportFromDataBase org.bonitasoft.connectors.jasper.CreateReportFromDataBase initInputs
INFO: jdbcUrl jdbc:mysql://localhost/jasper
2016-05-27 18:39:44.919 +0530 org.bonitasoft.connectors.jasper.CreateReportFromDataBase org.bonitasoft.connectors.jasper.CreateReportFromDataBase initInputs
INFO: user root
2016-05-27 18:39:44.920 +0530 org.bonitasoft.connectors.jasper.CreateReportFromDataBase org.bonitasoft.connectors.jasper.CreateReportFromDataBase initInputs
INFO: password ******
2016-05-27 18:39:44.920 +0530 org.bonitasoft.connectors.jasper.CreateReportFromDataBase org.bonitasoft.connectors.jasper.CreateReportFromDataBase initInputs
INFO: jrxmlDocument input_doc
2016-05-27 18:39:44.920 +0530 org.bonitasoft.connectors.jasper.CreateReportFromDataBase org.bonitasoft.connectors.jasper.CreateReportFromDataBase initInputs
INFO: outputFormat PDF
2016-05-27 18:39:45.150 +0530 org.bonitasoft.connectors.jasper.CreateReportFromDataBase org.bonitasoft.connectors.jasper.CreateReportFromDataBase createJasperReportFromDataBase
INFO: Creating a new Jasper Report from database.

**but still my portal is showing error…that item is not found…please rectifie this problem…thnaks in advanced.

regard
Ranvir kumar