2850773 - 500 Internal Server Error going to MII Menu

Receive a "500 Internal Server Error" when accessing the MII Menu or MII Administrator:

• Failed to get the version
  [EXCEPTION]
  java.lang.NullPointerException: while trying to invoke the method java.lang.String.hashCode() of a null object loaded from local variable 'name'
   at com.sap.engine.lib.security.Principal.<init>(Principal.java:44)
   at com.sap.xmii.system.VersionSCALoader.loadVersion(VersionSCALoader.java:47)
   at com.sap.xmii.system.VersionSCALoader.getXMIIVersion(VersionSCALoader.java:35)
   
• Caused by: java.lang.RuntimeException: Versioning details could not be determined, check logs for more details
  at com.sap.xmii.system.VersionInfo.getFullVersion(VersionInfo.java:101)
  at com.sap.xmii.bls.util.TransactionUtils.<clinit>(TransactionUtils.java:39)
   
• Error Creating Component : GetFileList/com.sap.xmii.bls.executables.actions.file.FileActions : Versioning details could not be determined, check logs for more details
  [EXCEPTION]
  java.lang.RuntimeException: Versioning details could not be determined, check logs for more details
   at com.sap.xmii.system.VersionInfo.getFullVersion(VersionInfo.java:101)
   at com.sap.xmii.common.IllumXmlUtilities.createBasicDocument(IllumXmlUtilities.java:122)
   
• Caused by: java.lang.NullPointerException: while trying to invoke the method com.sap.xmii.system.VersionInfo.getFullFormat() of a null object returned from com.sap.xmii.ejb.common.SystemInfoService.getSystemVersion()
   at com.sap.xapps.xmii.ui.admin.navigation.navigationcomponent.NavigationComponent.getSystemVersion(NavigationComponent.java:390)
   at com.sap.xapps.xmii.ui.admin.navigation.navigationcomponent.wdp.InternalNavigationComponent.getSystemVersion(InternalNavigationComponent.java:186)
   at com.sap.xapps.xmii.ui.admin.navigation.navigationcomponent.AboutView.wdDoInit(AboutView.java:115)
   at com.sap.xapps.xmii.ui.admin.navigation.navigationcomponent.wdp.InternalAboutView.wdDoInit(InternalAboutView.java:116)
   at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doInit(DelegatingView.java:59)

 

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SAP NetWeaver Application Server Java 7.1+, SAP MII (SAP Manufacturing Integration Intelligent)

SAP Manufacturing Integration and Intelligence 12.1 ; SAP Manufacturing Integration and Intelligence 15.0 ; SAP Manufacturing Integration and Intelligence 15.1 ; SAP Manufacturing Integration and Intelligence 15.2 ; SAP Manufacturing Integration and Intelligence 15.3 ; SAP Manufacturing Integration and Intelligence 15.4 ; SAP Manufacturing Integration and Intelligence 15.5 ; SAP NetWeaver 7.5

500 error, Uanble to start, , KBA , MFG-MII , SAP Manufacturing Integration and Intelligence , Problem