An error has occurred. Please contact your system administrator. (6632) in jaspersoft reports

 When you get 6632 error while running a report, most likely below solution works. 

Update security validation property in "security-config.properties"  file @ 

C:\Jaspersoft\jasperreports-server-7.8.0\apache-tomcat\webapps\jasperserver-pro\WEB-INF\classes\esapi

File Name : security-config.properties

Actual :
security.validation.sql.on=false

Update it to false
security.validation.sql.on=true

2020-11-21T19:17:30,322 ERROR AsyncJasperPrintAccessor,pool-7-thread-21:321 - Error during report execution com.jaspersoft.jasperserver.api.JSSecurityException: An error has occurred. Please contact your system administrator. (6632)

Arguments: 

at com.jaspersoft.jasperserver.api.security.validators.Validator.newSecurityException(Validator.java:552)

at com.jaspersoft.jasperserver.api.security.validators.Validator.validateSQL(Validator.java:541)

at com.jaspersoft.jasperserver.api.engine.jasperreports.util.JRTimezoneJdbcQueryExecuter.validateSQL(JRTimezoneJdbcQueryExecuter.java:219)

at com.jaspersoft.jasperserver.api.engine.jasperreports.util.JRTimezoneJdbcQueryExecuter.createDatasource(JRTimezoneJdbcQueryExecuter.java:165)

at com.jaspersoft.commons.util.JSControlledJdbcQueryExecuter.createDatasource(JSControlledJdbcQueryExecuter.java:115)

at net.sf.jasperreports.engine.fill.JRFillDataset.createQueryDatasource(JRFillDataset.java:1257)

at net.sf.jasperreports.engine.fill.JRFillDataset.initDatasource(JRFillDataset.java:726)

at net.sf.jasperreports.engine.fill.JRFillDatasetRun.evaluate(JRFillDatasetRun.java:249)

at net.sf.jasperreports.engine.fill.JRFillElementDataset.evaluateDatasetRun(JRFillElementDataset.java:259)

at net.sf.jasperreports.engine.analytics.dataset.FillMultiAxisDataset.evaluateData(FillMultiAxisDataset.java:115)

at net.sf.jasperreports.engine.analytics.dataset.FillMultiAxisData.evaluate(FillMultiAxisData.java:53)

at com.jaspersoft.jasperreports.highcharts.charts.ChartFillComponent.evaluateChart(ChartFillComponent.java:219)

at com.jaspersoft.jasperreports.highcharts.charts.ChartFillComponent.evaluate(ChartFillComponent.java:198)

at net.sf.jasperreports.engine.fill.JRFillComponentElement.evaluate(JRFillComponentElement.java:110)

at net.sf.jasperreports.engine.fill.JRFillElementContainer.evaluate(JRFillElementContainer.java:383)

at net.sf.jasperreports.engine.fill.JRFillBand.evaluate(JRFillBand.java:548)

at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillSummaryNoLastFooterSamePage(JRVerticalFiller.java:1252)

at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillSummary(JRVerticalFiller.java:1203)

at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportEnd(JRVerticalFiller.java:299)

at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:117)

at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:621)

at net.sf.jasperreports.engine.fill.BaseFillHandle$ReportFill.run(BaseFillHandle.java:135)

at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl$SynchronousExecutor.execute(EngineServiceImpl.java:959)

at net.sf.jasperreports.engine.fill.BaseFillHandle.startFill(BaseFillHandle.java:181)

at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl$AsynchronousReportFiller.fillReport(EngineServiceImpl.java:910)

at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl.fillReport(EngineServiceImpl.java:1857)

at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl$ReportFill.runWithDataSource(EngineServiceImpl.java:1162)

at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl$ReportFill.runReport(EngineServiceImpl.java:1103)

at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.EngineServiceImpl$ReportRunnable.run(EngineServiceImpl.java:981)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

at java.lang.Thread.run(Thread.java:748)