java.lang.IllegalArgumentException: Unsupported type: , kind: OTHER at org.netbeans.modules.java.source.usages.ClassFileUtil.encodeType(ClassFileUtil.java:318) at org.netbeans.modules.java.source.usages.ClassFileUtil.createExecutableDescriptor(ClassFileUtil.java:198) at org.netbeans.api.java.source.ElementHandle.createImpl(ElementHandle.java:458) at org.netbeans.api.java.source.ElementHandle.create(ElementHandle.java:397) at org.netbeans.api.java.source.TreePathHandle.create(TreePathHandle.java:268) at org.netbeans.spi.java.hints.JavaFix.(JavaFix.java:120) at org.netbeans.spi.java.hints.JavaFix.(JavaFix.java:102) at org.netbeans.modules.java.hints.suggestions.Lambda$MemberReference2Lambda.(Lambda.java:471) at org.netbeans.modules.java.hints.suggestions.Lambda.reference2Lambda(Lambda.java:226) at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.netbeans.modules.java.hints.providers.code.CodeHintProviderImpl$WorkerImpl.createErrors(CodeHintProviderImpl.java:336) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.runHint(HintsInvoker.java:798) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.access$400(HintsInvoker.java:111) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.runAndAdd(HintsInvoker.java:657) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scanDoNotGoDeeper(HintsInvoker.java:711) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeSuggestions(HintsInvoker.java:396) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:232) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:209) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:182) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:149) at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:114) at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:83) at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:298) at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:584) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:809) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:725) at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:686) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)