Unable to import JSON on JIRA Core

2015-10-07 16:08:51.961970500 2015-10-07 16:08:51,960 JiraTaskExectionThread-1 ERROR admin 968x551x1 1g1oaiy 104.192.142.137,165.254.227.114 /secure/admin/ImporterLogsPage!import.jspa [c.a.j.p.i.i.i.i.A.0.0.104-8009-exec-13,5,main]] Unexpected failure occurred. Importer will stop immediately. Data may be in an unstable state
2015-10-07 16:08:51.961972500 java.lang.Exception: Unable to import Project ExternalProject{id='null', key='ASM', externalName='null', name='A Sample Project'}
2015-10-07 16:08:51.961973500 	at com.atlassian.jira.plugins.importer.imports.importer.impl.DefaultJiraDataImporter.importProject(DefaultJiraDataImporter.java:648)
2015-10-07 16:08:51.961989500 	at com.atlassian.jira.plugins.importer.imports.importer.impl.DefaultJiraDataImporter.doImport(DefaultJiraDataImporter.java:357)
2015-10-07 16:08:51.961989500 	at com.atlassian.jira.plugins.importer.imports.importer.impl.ImporterCallable.call(ImporterCallable.java:26)
2015-10-07 16:08:51.961990500 	at com.atlassian.jira.plugins.importer.imports.importer.impl.ImporterCallable.call(ImporterCallable.java:15)
2015-10-07 16:08:51.961991500 	at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:538)
2015-10-07 16:08:51.961992500 	at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:501)
2015-10-07 16:08:51.961995500 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
2015-10-07 16:08:51.961996500 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
2015-10-07 16:08:51.961996500 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
2015-10-07 16:08:51.961996500 	at com.atlassian.jira.task.ForkedThreadExecutor$ForkedRunnableDecorator.run(ForkedThreadExecutor.java:254)
2015-10-07 16:08:51.961998500 	at java.lang.Thread.run(Thread.java:745)
2015-10-07 16:08:51.961998500 Caused by: com.atlassian.jira.plugins.importer.external.ExternalException: Unable to create project: ExternalProject{id='null', key='ASM', externalName='null', name='A Sample Project'}
2015-10-07 16:08:51.961999500 	at com.atlassian.jira.plugins.importer.managers.CreateProjectManagerImpl.createProject(CreateProjectManagerImpl.java:95)
2015-10-07 16:08:51.962000500 	at com.atlassian.jira.plugins.importer.imports.importer.impl.DefaultJiraDataImporter.importProject(DefaultJiraDataImporter.java:633)
2015-10-07 16:08:51.962001500 	... 10 more
2015-10-07 16:08:51.962001500 Caused by: com.atlassian.jira.exception.CreateException: An invalid project type was specified. Unfortunately you can't create a project without a project type. Please talk to your JIRA administrator for help.
2015-10-07 16:08:51.962004500 	at com.atlassian.jira.plugins.importer.managers.CreateProjectManagerImpl.createProject(CreateProjectManagerImpl.java:82)