I am facing this following issue in data integration while running a report. Can some one please help me with it. Please suggest me how can I fix it or debug it.

2016/03/31 16:50:21 - Generate Reports.0 - Caught Kettle Exception: Check your configuration
2016/03/31 16:50:21 - Generate Reports.0 -
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.di.trans.steps.pentahoreporting.PentahoReportingOutput.processReport(PentahoReportingOutput.java:260)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.di.trans.steps.pentahoreporting.PentahoReportingOutput.processRow(PentahoReportingOutput.java:114)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.di.trans.step.RunThread.run(RunThread.java:62)
2016/03/31 16:50:21 - Generate Reports.0 - at java.lang.Thread.run(Unknown Source)
2016/03/31 16:50:21 - Generate Reports.0 - Caused by: org.pentaho.reporting.engine.classic.core.ReportDataFactoryException: Caught Kettle Exception: Check your configuration
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.extensions.datasources.kettle.KettleDataFactory.queryData(KettleDataFactory.java:118)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.CompoundDataFactory.queryStaticInternal(CompoundDataFactory.java:205)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.CompoundDataFactory.queryStatic(CompoundDataFactory.java:182)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.cache.CachingDataFactory.queryInternal(CachingDataFactory.java:505)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.cache.CachingDataFactory.queryStatic(CachingDataFactory.java:181)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.CompoundDataFactory.queryStaticInternal(CompoundDataFactory.java:200)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.CompoundDataFactory.queryStatic(CompoundDataFactory.java:182)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.CompoundDataFactory.queryData(CompoundDataFactory.java:69)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.states.datarow.DefaultFlowController.performQueryData(DefaultFlowController.java:296)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.states.datarow.DefaultFlowController.performSubReportQuery(DefaultFlowController.java:374)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.states.process.ProcessState.initializeForSubreport(ProcessState.java:596)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.states.process.EndSubReportHandler.commit(EndSubReportHandler.java:59)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.states.process.ProcessState.commit(ProcessState.java:1059)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.layout.output.AbstractReportProcessor.processPrepareLevels(AbstractReportProcessor.java:437)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.layout.output.AbstractReportProcessor.performStructuralPreprocessing(AbstractReportProcessor.java:621)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.layout.output.AbstractReportProcessor.prepareReportProcessing(AbstractReportProcessor.java:509)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.layout.output.AbstractReportProcessor.processReport(AbstractReportProcessor.java:1713)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.modules.output.table.csv.CSVReportUtil.createCSV(CSVReportUtil.java:74)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.modules.output.table.csv.CSVReportUtil.createCSV(CSVReportUtil.java:120)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.core.modules.output.table.csv.CSVReportUtil.createCSV(CSVReportUtil.java:90)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.di.trans.steps.pentahoreporting.PentahoReportingOutput.processReport(PentahoReportingOutput.java:229)
2016/03/31 16:50:21 - Generate Reports.0 - ... 3 more
2016/03/31 16:50:21 - Generate Reports.0 - Caused by: org.pentaho.di.core.exception.KettleException:
2016/03/31 16:50:21 - Generate Reports.0 - We failed to initialize at least one step. Execution can not begin!
2016/03/31 16:50:21 - Generate Reports.0 -
2016/03/31 16:50:21 - Generate Reports.0 -
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.di.trans.Trans.prepareExecution(Trans.java:1149)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.extensions.datasources.kettle.AbstractKettleTransformationProducer.prepareTransformation(AbstractKettleTransformationProducer.java:327)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.extensions.datasources.kettle.AbstractKettleTransformationProducer.performQueryOnTransformation(AbstractKettleTransformationProducer.java:294)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.extensions.datasources.kettle.AbstractKettleTransformationProducer.performQuery(AbstractKettleTransformationProducer.java:270)
2016/03/31 16:50:21 - Generate Reports.0 - at org.pentaho.reporting.engine.classic.extensions.datasources.kettle.KettleDataFactory.queryData(KettleDataFactory.java:110)
2016/03/31 16:50:21 - Generate Reports.0 - ... 23 more
2016/03/31 16:50:21 - Generate Reports.0 - Finished processing (I=0, O=0, R=1, W=0, U=0, E=1)
2016/03/31 16:50:21 - run_prpt_csv - ERROR (version 5.2.0.0, build 1 from 2014-09-30_19-48-28 by buildguy) : Errors detected!
2016/03/31 16:50:21 - run_prpt_csv - Transformation detected one or more steps with errors.
2016/03/31 16:50:21 - run_prpt_csv - ERROR (version 5.2.0.0, build 1 from 2014-09-30_19-48-28 by buildguy) : Errors detected!
2016/03/31 16:50:21 - run_prpt_csv - Transformation is killing the other steps!
2016/03/31 16:50:21 - GL APPL - Finished job entry [GL_APPL] (result=[false])
2016/03/31 16:50:21 - GL APPL - Finished job entry [Set Environment Parameters] (result=[false])
2016/03/31 16:50:21 - GL APPL - Job execution finished
2016/03/31 16:50:21 - Spoon - Job has ended.


Thanks,
Megha