Hi, I'm using a web service data adapter and when I using the "sorting" separator i get the error that I put below. So far, I know that this error only occurs when I'm using the sorting option in data set and a subreport with a data source expression like "((com.jaspersoft.webservice.data.query.IWSDataSource)$P{REPORT_DATA_SOURCE}).clone(jsonRootNode,subFieldsMap)" Can anybody help me solving this issue?: net.sf.jasperreports.engine.JRException: net.sf.jasperreports.engine.fill.JRExpressionEvalException: Error evaluating expression for source text: ((com.jaspersoft.webservice.data.query.IWSDataSource)$P{REPORT_DATA_SOURCE}).clone("prestation",$P{SubFieldsMap}) at com.jaspersoft.studio.editor.preview.view.control.ReportControler.fillReport(ReportControler.java:530)at com.jaspersoft.studio.editor.preview.view.control.ReportControler.access$20(ReportControler.java:505)at com.jaspersoft.studio.editor.preview.view.control.ReportControler$5.run(ReportControler.java:386)at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)Caused by: net.sf.jasperreports.engine.fill.JRExpressionEvalException: Error evaluating expression for source text: ((com.jaspersoft.webservice.data.query.IWSDataSource)$P{REPORT_DATA_SOURCE}).clone("prestation",$P{SubFieldsMap}) at net.sf.jasperreports.engine.fill.JREvaluator.evaluate(JREvaluator.java:290)at net.sf.jasperreports.engine.fill.JRCalculator.evaluate(JRCalculator.java:616)at net.sf.jasperreports.engine.fill.JRCalculator.evaluate(JRCalculator.java:584)at net.sf.jasperreports.engine.fill.JRFillElement.evaluateExpression(JRFillElement.java:1164)at net.sf.jasperreports.engine.fill.JRFillSubreport.evaluateSubreport(JRFillSubreport.java:450)at net.sf.jasperreports.engine.fill.JRFillSubreport.evaluate(JRFillSubreport.java:341)at net.sf.jasperreports.engine.fill.JRFillElementContainer.evaluate(JRFillElementContainer.java:381)at net.sf.jasperreports.engine.fill.JRFillBand.evaluate(JRFillBand.java:500)
