Hello, i recentlly change my mongodb database version from 3.4 to 3.6 and i started getting this error : net.sf.jasperreports.engine.JRException: net.sf.jasperreports.engine.JRRuntimeException: net.sf.jasperreports.engine.JRException: The 'cursor' option is required, except for aggregate with the explain argument at com.jaspersoft.studio.editor.preview.view.control.ReportController.fillReport(ReportController.java:550) at com.jaspersoft.studio.editor.preview.view.control.ReportController.access$18(ReportController.java:525) at com.jaspersoft.studio.editor.preview.view.control.ReportController$1.run(ReportController.java:443) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: net.sf.jasperreports.engine.JRRuntimeException: net.sf.jasperreports.engine.JRException: The 'cursor' option is required, except for aggregate with the explain argument at net.sf.jasperreports.components.list.VerticalFillList.prepare(VerticalFillList.java:150) at net.sf.jasperreports.engine.fill.JRFillComponentElement.prepare(JRFillComponentElement.java:152) at net.sf.jasperreports.engine.fill.JRFillElementContainer.prepareElements(JRFillElementContainer.java:542) at net.sf.jasperreports.engine.fill.JRFillBand.fill(JRFillBand.java:453) at net.sf.jasperreports.engine.fill.JRFillBand.fill(JRFillBand.java:428) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillColumnBand(JRVerticalFiller.java:2585) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillDetail(JRVerticalFiller.java:813) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportStart(JRVerticalFiller.java:264) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:110) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:615) at net.sf.jasperreports.engine.fill.BaseFillHandle$ReportFill.run(BaseFillHandle.java:135) at java.lang.Thread.run(Thread.java:748) Caused by: net.sf.jasperreports.engine.JRException: The 'cursor' option is required, except for aggregate with the explain argument at com.jaspersoft.mongodb.query.MongoDbQueryWrapper.runCommand(MongoDbQueryWrapper.java:207) at com.jaspersoft.mongodb.query.MongoDbQueryWrapper.processQuery(MongoDbQueryWrapper.java:115) at com.jaspersoft.mongodb.query.MongoDbQueryWrapper.<init>(MongoDbQueryWrapper.java:93) at com.jaspersoft.mongodb.query.MongoDbQueryExecuter.createDatasource(MongoDbQueryExecuter.java:104) 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.components.list.FillDatasetRun.start(FillDatasetRun.java:166) at net.sf.jasperreports.components.list.VerticalFillList.prepare(VerticalFillList.java:102) ... 11 more when i try to run this script : { runCommand: { aggregate : 'Org', pipeline : [ { $project : { Miss_Attr.categorie:1, Miss_Attr.texte:1 } }, { $unwind : '$Miss_Attr'} ] }} can anyone help me with this. thank you