WARNING: /zksupport86/zkau/web/_zv3.0.2/js/svg2pdf.js.map
java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 18
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
	at java.base/java.lang.String.substring(String.java:1874)
	at org.zkoss.zk.ui.http.WpdExtendlet$WpdLoader.getRealPath(WpdExtendlet.java:792)
	at org.zkoss.web.util.resource.ExtendletLoader.load(ExtendletLoader.java:103)
	at org.zkoss.web.util.resource.ExtendletLoader.load(ExtendletLoader.java:42)
	at org.zkoss.util.resource.ResourceCache$Info.load(ResourceCache.java:227)
	at org.zkoss.util.resource.ResourceCache$Info.<init>(ResourceCache.java:202)
	at org.zkoss.util.resource.ResourceCache.get(ResourceCache.java:134)
	at org.zkoss.zk.ui.http.WpdExtendlet.retrieve(WpdExtendlet.java:172)
	at org.zkoss.zk.ui.http.WpdExtendlet.service(WpdExtendlet.java:113)
	at org.zkoss.web.util.resource.ClassWebResource.web0(ClassWebResource.java:605)
...