I explored all forums in jasper community for this issue but did not found any solution. I am using TIBCO JasperReports 6.12.2. I designed a template in jasper studio, compiled and previewed, it works fine but when i put the jasper file in a directory in my laravel project and run it, then it shows the error as bellow. any hint or solutions will be very much appreciated. This is the error: Exception in thread "main" java.lang.NullPointerException at net.sf.jasperreports.components.table.fill.TableReport$DetailBandCreator.isEmpty(TableReport.java:812) at net.sf.jasperreports.components.table.fill.TableReport$ReportBandCreator.visitColumn(TableReport.java:613) at net.sf.jasperreports.components.table.fill.TableReport$ReportBandCreator.visitColumn(TableReport.java:585) at net.sf.jasperreports.components.table.StandardColumn.visitColumn(StandardColumn.java:74) at net.sf.jasperreports.components.table.fill.TableReport$ReportBandCreator.visit(TableReport.java:705) at net.sf.jasperreports.components.table.fill.TableReport.createDetailBand(TableReport.java:827)