PTC Solution Installer (PSI) fails during (WNC) installation for Windchill PDMLink

• PTC Solution Installer (PSI) fails during (WNC) installation for Windchill PDMLink 12.0 
• WNC_PtcInstall.log Shows below error message 

DEBUG  - E:\ptc\Windchill_12.0\Windchill\installer\logs\WNC_PtcInstall.log 
DEBUG  - E:\ptc\Windchill_12.0\Windchill\installer\logs\WNC_InstallLog.xml 
DEBUG  - The installation is aborting due to an unexpected error. 
DEBUG  - java.lang.IllegalArgumentException: URI is not absolute 
DEBUG  - at java.base/java.net.URL.fromURI(URL.java:692) 
DEBUG  - at java.base/java.net.URI.toURL(URI.java:1116) 
DEBUG  - at com.ptc.windchill.structconf.xconf.UpdateXconf.standardizePath(UpdateXconf.java:259) 
DEBUG  - at com.ptc.windchill.structconf.xconf.UpdateXconf.addInclude(UpdateXconf.java:179) 
DEBUG  - at com.ptc.windchill.structconf.IncludeXconfFile.execute(IncludeXconfFile.java:58) 
DEBUG  - at com.ptc.windchill.structconf.StructConfManagerCommand.execute(StructConfManagerCommand.java:102) 
DEBUG  - at com.ptc.windchill.structconf.StructConfManager.execute(StructConfManager.java:261) 
DEBUG  - at com.ptc.windchill.structconf.StructConfManager.execute(StructConfManager.java:275) 
DEBUG  - at com.ptc.windchill.install.actions.XconfVariableSaver.process(XconfVariableSaver.java:135) 
DEBUG  - at com.ptc.windchill.install.framework.InstallAction.run(InstallAction.java:469) 
DEBUG  - at com.ptc.windchill.install.framework.InstallAction.install(InstallAction.java:314) 
DEBUG  - at com.zerog.ia.installer.actions.CustomAction.installSelf(Unknown Source) 
DEBUG  - at com.zerog.ia.installer.InstallablePiece.install(Unknown Source) 
DEBUG  - at com.zerog.ia.installer.InstallablePiece.install(Unknown Source) 
DEBUG  - at com.zerog.ia.installer.GhostDirectory.install(Unknown Source) 
DEBUG  - at com.zerog.ia.installer.InstallablePiece.install(Unknown Source) 
DEBUG  - at com.zerog.ia.installer.Installer.install(Unknown Source) 
DEBUG  - at com.zerog.ia.installer.LifeCycleManager.consoleInstallMain(Unknown Source) 
DEBUG  - at com.zerog.ia.installer.LifeCycleManager.executeApplication(Unknown Source) 
DEBUG  - at com.zerog.ia.installer.Main.main(Unknown Source) 
DEBUG  - at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
DEBUG  - at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
DEBUG  - at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
DEBUG  - at java.base/java.lang.reflect.Method.invoke(Method.java:566) 
DEBUG  - at com.zerog.lax.LAX.launch(Unknown Source) 
DEBUG  - at com.zerog.lax.LAX.main(Unknown Source)

• Installation hangs at: [java] Compiling module com.ptc.windchill.wncgwt.WncGWT