A NuGet package that is in Nexus 2.x storage but not in its database causes a NullPointerException on migration to Nexus 3

2017-06-28 14:59:47,246-0500 ERROR [plan-executor-8-thread-2] admin com.sonatype.nexus.migration.repository.ProcessChangesStep - Failed processing of CREATE nuget:/Microsoft.AspNet.WebApi.WebHost/5.2.3/Microsoft.AspNet.WebApi.WebHost-5.2.3.nupkg, will ignore and move on. null
java.lang.NullPointerException: null
at com.sonatype.nexus.migration.repository.migrators.NugetHostedRepositoryMigrator.nugetCoords(NugetHostedRepositoryMigrator.java:268) [na:na]
at com.sonatype.nexus.migration.repository.migrators.NugetHostedRepositoryMigrator.recordMetadata(NugetHostedRepositoryMigrator.java:74) [na:na]
at com.sonatype.nexus.migration.repository.migrators.RepositoryMigratorSupport.processChange(RepositoryMigratorSupport.java:134) [na:na]
at com.sonatype.nexus.migration.repository.RepositoryMigrator$processChange.call(Unknown Source) [na:na]
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48) [na:na]
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113) [na:na]
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125) [na:na]
at com.sonatype.nexus.migration.repository.ProcessChangesStep$_submit_closure2.doCall(ProcessChangesStep.groovy:317) [na:na]
at com.sonatype.nexus.migration.repository.ProcessChangesStep$_submit_closure2.doCall(ProcessChangesStep.groovy) [na:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [na:1.8.0_102]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [na:1.8.0_102]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [na:1.8.0_102]
at java.lang.reflect.Method.invoke(Method.java:498) [na:1.8.0_102]
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93) [na:na]
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325) [na:na]
at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:294) [na:na]
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1024) [na:na]
at groovy.lang.Closure.call(Closure.java:414) [na:na]
at groovy.lang.Closure.call(Closure.java:408) [na:na]
at groovy.lang.Closure.run(Closure.java:495) [na:na]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_102]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_102]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_102]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_102]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102