NullPtr when changing a password

NullPtr when changing a password
2018-08-09 13:42:15 t.c.s.a.i.MessageImportProcess [DEBUG] import failed:null
java.lang.NullPointerException: null
at com.aspose.email.akn.a(SourceFile:827)
at com.aspose.email.akn.a(SourceFile:623)
at com.aspose.email.wo.b(SourceFile:349)
at com.aspose.email.adc.a(SourceFile:1754)
at com.aspose.email.adc.b(SourceFile:732)
at com.aspose.email.apg.a(SourceFile:893)
at com.aspose.email.MessageStore.setProperty(SourceFile:200)
at com.aspose.email.MessageStore.changePassword(SourceFile:178)
at com.stimulus.archiva.imports.AsposePSTContainer$AsposePstPassword.set(AsposePSTContainer.java:254)
at com.stimulus.archiva.imports.AsposePSTContainer.(AsposePSTContainer.java:46)
at com.stimulus.archiva.imports.ContainerFactory.get(ContainerFactory.java:15)
at com.stimulus.archiva.imports.ImportPST.run(ImportPST.java:42)
at com.stimulus.archiva.imports.MessageImportAction.processFile(MessageImportAction.java:107)
at com.stimulus.archiva.imports.MessageImportAction.run(MessageImportAction.java:212)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
at java.util.concurrent.FutureTask.run(FutureTask.java)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

@jamie-1,

Please share your sample PST file with us for further consideration at our end.