java.lang.NullPointerException when trying to autocomplere

[gitowiec]

I installed require.js plugin
Configured it for my developed WP plugin (path /wp-content/plugins/pg-assets-portfolio/)
and added path to scripts /wp-content/plugins/pg-assets-portfolio/admin/js/pg-main
Error occured when tryed to autocomplete modules path in first param of
define(['paths I want to autocomplete','another path or name of module'], function(a_module, b_module){

// source of module
});

null
java.lang.NullPointerException
	at requirejs.Path.probeResolveRequireAlias(Path.java:159)
	at requirejs.Path.resolve(Path.java:111)
	at requirejs.RequirejsProjectComponent.requireResolve(RequirejsProjectComponent.java:657)
	at requirejs.RequirejsReference.resolve(RequirejsReference.java:40)
	at com.intellij.psi.impl.source.resolve.reference.impl.PsiMultiReference.resolves(PsiMultiReference.java:59)
	at com.intellij.psi.impl.source.resolve.reference.impl.PsiMultiReference.lambda$static$0(PsiMultiReference.java:43)
	at java.util.TimSort.binarySort(TimSort.java:296)
	at java.util.TimSort.sort(TimSort.java:221)
	at java.util.Arrays.sort(Arrays.java:1438)
	at com.intellij.psi.impl.source.resolve.reference.impl.PsiMultiReference.chooseReference(PsiMultiReference.java:78)
	at com.intellij.psi.impl.source.resolve.reference.impl.PsiMultiReference.getRangeInElement(PsiMultiReference.java:94)
	at com.intellij.psi.ReferenceRange.getRanges(ReferenceRange.java:38)
	at com.intellij.codeInsight.completion.CompletionData.getReferencePrefix(CompletionData.java:145)
	at com.intellij.codeInsight.completion.CompletionData.findPrefixStatic(CompletionData.java:176)
	at com.intellij.codeInsight.completion.CompletionData.findPrefixStatic(CompletionData.java:187)
	at com.intellij.codeInsight.completion.impl.CompletionServiceImpl.createResultSet(CompletionServiceImpl.java:88)
	at com.intellij.codeInsight.completion.CompletionService.getVariantsFromContributors(CompletionService.java:80)
	at com.intellij.codeInsight.completion.CompletionService.performCompletion(CompletionService.java:110)
	at com.intellij.codeInsight.completion.CompletionProgressIndicator.a(CompletionProgressIndicator.java:831)
	at com.intellij.codeInsight.completion.CompletionProgressIndicator.access$600(CompletionProgressIndicator.java:93)
	at com.intellij.codeInsight.completion.CompletionProgressIndicator$1CalculateItems.run(CompletionProgressIndicator.java:813)
	at com.intellij.codeInsight.completion.AsyncCompletion.b(CompletionThreading.java:108)
	at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:931)
	at com.intellij.codeInsight.completion.AsyncCompletion.a(CompletionThreading.java:105)
	at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:176)
	at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:556)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:501)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:66)
	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:163)
	at com.intellij.codeInsight.completion.AsyncCompletion.a(CompletionThreading.java:103)
	at com.intellij.openapi.application.impl.ApplicationImpl$2.run(ApplicationImpl.java:334)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

Plugin settings