java.lang.NullPointerException: This exception has no message.

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failed to initialize Velocity but freemaker ok

This exception has no message.

java.lang.NullPointerException: 	at fr.opensagres.xdocreport.template.velocity.internal.XDocReportEscapeReference.setRuntimeServices(XDocReportEscapeReference.java:56)	at org.apache.velocity.runtime.RuntimeInstance.initializeSpecificEventHandler(RuntimeInstance.java:712)	at org.apache.velocity.runtime.RuntimeInstance.initializeEventHandlers(RuntimeInstance.java:626)	at org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:243)	at org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:534)	at org.apache.velocity.app.VelocityEngine.init(VelocityEngine.java:144)	at fr.opensagres.xdocreport.template.velocity.internal.VelocityTemplateEngine.initializeVelocityEngine(VelocityTemplateEngine.java:130)	at fr.opensagres.xdocreport.template.velocity.internal.VelocityTemplateEngine.getVelocityEngine(VelocityTemplateEngine.java:117)	at fr.opensagres.xdocreport.template.velocity.internal.VelocityTemplateEngine.processWithCache(VelocityTemplateEngine.java:95)	at fr.opensagres.xdocreport.template.AbstractTemplateEngine.process(AbstractTemplateEngine.java:111)	at fr.opensagres.xdocreport.template.AbstractTemplateEngine.process(AbstractTemplateEngine.java:83)	at fr.opensagres.xdocreport.document.AbstractXDocReport.processTemplateEngine(AbstractXDocReport.java:772)	at fr.opensagres.xdocreport.document.AbstractXDocReport.process(AbstractXDocReport.java:518)	at fr.opensagres.xdocreport.document.AbstractXDocReport.process(AbstractXDocReport.java:484)	at com.schneider.seve.utils.WordGenerator.GenerateDocxReport.main(GenerateDocxReport.java:120)