java.lang.NullPointerException
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    at java.base/java.util.concurrent.ForkJoinTask.getThrowableException(ForkJoinTask.java:564)
    at java.base/java.util.concurrent.ForkJoinTask.reportException(ForkJoinTask.java:591)
    at java.base/java.util.concurrent.ForkJoinTask.join(ForkJoinTask.java:672)
    at com.intellij.concurrency.JobLauncherImpl.processQueue(JobLauncherImpl.java:367)
    at com.intellij.codeInsight.daemon.impl.InspectionRunner.processInOrder(InspectionRunner.java:324)
    at com.intellij.codeInsight.daemon.impl.InspectionRunner.visitElements(InspectionRunner.java:297)
    at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$inspect$4(InspectionRunner.java:140)
    at com.intellij.codeInspection.InspectionEngine.withSession(InspectionEngine.java:246)
    at com.intellij.codeInsight.daemon.impl.InspectionRunner.inspect(InspectionRunner.java:126)
    at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.collectInformationWithProgress(LocalInspectionsPass.java:113)
    at com.intellij.codeInsight.daemon.impl.ProgressableTextEditorHighlightingPass.doCollectInformation(ProgressableTextEditorHighlightingPass.java:80)
    at com.intellij.codeHighlighting.TextEditorHighlightingPass.collectInformation(TextEditorHighlightingPass.java:55)
    at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$doRun$1(PassExecutorService.java:406)
    at com.intellij.platform.diagnostic.telemetry.helpers.TraceKt.runWithSpanIgnoreThrows(trace.kt:76)
    at com.intellij.platform.diagnostic.telemetry.helpers.TraceUtil.runWithSpanThrows(TraceUtil.java:34)
    at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$doRun$2(PassExecutorService.java:401)
    at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1075)
    at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$doRun$3(PassExecutorService.java:392)
    at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$12(CoreProgressManager.java:610)
    at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:685)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:641)
    at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:609)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:78)
    at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.doRun(PassExecutorService.java:391)
    at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.lambda$run$0(PassExecutorService.java:367)
    at com.intellij.openapi.application.impl.ReadMostlyRWLock.executeByImpatientReader(ReadMostlyRWLock.java:200)
    at com.intellij.openapi.application.impl.ApplicationImpl.executeByImpatientReader(ApplicationImpl.java:184)
    at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.run(PassExecutorService.java:365)
    at com.intellij.concurrency.JobLauncherImpl$VoidForkJoinTask$1.exec(JobLauncherImpl.java:187)
    at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373)
    at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
Caused by: java.lang.NullPointerException: Cannot invoke "Object.equals(Object)" because "o" is null
    at java.base/java.util.ImmutableCollections$Set12.contains(ImmutableCollections.java:810)
    at com.ibexa.dxp.plugin.php.inspection.DynamicSettingsAccessInConstructorInspection$1.isDynamicSettingAccessor(DynamicSettingsAccessInConstructorInspection.java:47)
    at com.ibexa.dxp.plugin.php.inspection.DynamicSettingsAccessInConstructorInspection$1.visitPhpMethodReference(DynamicSettingsAccessInConstructorInspection.java:31)
    at com.jetbrains.php.lang.psi.elements.impl.MethodReferenceImpl.accept(MethodReferenceImpl.java:46)
    at com.jetbrains.php.lang.psi.elements.impl.PhpASTElementImpl.accept(PhpASTElementImpl.java:26)
    at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$processInOrder$10(InspectionRunner.java:367)
    at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1075)
    at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$processInOrder$11(InspectionRunner.java:379)
    at com.intellij.openapi.application.impl.ReadMostlyRWLock.executeByImpatientReader(ReadMostlyRWLock.java:200)
    at com.intellij.openapi.application.impl.ApplicationImpl.executeByImpatientReader(ApplicationImpl.java:184)
    at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$processInOrder$12(InspectionRunner.java:385)
    at com.intellij.util.AstLoadingFilter.forceAllowTreeLoading(AstLoadingFilter.java:158)
    at com.intellij.util.AstLoadingFilter.forceAllowTreeLoading(AstLoadingFilter.java:150)
    at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$processInOrder$13(InspectionRunner.java:325)
    at com.intellij.util.AstLoadingFilter.disallowTreeLoading(AstLoadingFilter.java:129)
    at com.intellij.util.AstLoadingFilter.disallowTreeLoading(AstLoadingFilter.java:118)
    at com.intellij.codeInsight.daemon.impl.InspectionRunner.lambda$processInOrder$14(InspectionRunner.java:325)
    at com.intellij.concurrency.JobLauncherImpl$1MyProcessQueueTask.lambda$call$0(JobLauncherImpl.java:307)
    at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$12(CoreProgressManager.java:610)
    at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:685)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:641)
    at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:609)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:78)
    at com.intellij.concurrency.JobLauncherImpl$1MyProcessQueueTask.call(JobLauncherImpl.java:292)
    at com.intellij.concurrency.JobLauncherImpl$1MyProcessQueueTask.call(JobLauncherImpl.java:278)
    at java.base/java.util.concurrent.ForkJoinTask$AdaptedCallable.exec(ForkJoinTask.java:1428)
    ... 5 more