Exception due to a synchronous refresh under read lock

[stof]

java.lang.Throwable: Do not perform a synchronous refresh under read lock (except from EDT) - causes deadlocks if there are events to fire.
	at com.intellij.openapi.diagnostic.Logger.error(Logger.java:182)
	at com.intellij.openapi.vfs.newvfs.RefreshQueueImpl.execute(RefreshQueueImpl.java:56)
	at com.intellij.openapi.vfs.newvfs.RefreshSessionImpl.launch(RefreshSessionImpl.java:115)
	at com.intellij.openapi.vfs.newvfs.RefreshQueueImpl.processSingleEvent(RefreshQueueImpl.java:194)
	at com.intellij.openapi.vfs.newvfs.impl.VirtualDirectoryImpl.createAndFindChildWithEventFire(VirtualDirectoryImpl.java:309)
	at com.intellij.openapi.vfs.newvfs.impl.VirtualDirectoryImpl.findChild(VirtualDirectoryImpl.java:82)
	at com.intellij.openapi.vfs.newvfs.impl.VirtualDirectoryImpl.refreshAndFindChild(VirtualDirectoryImpl.java:346)
	at com.intellij.openapi.vfs.newvfs.VfsImplUtil.refreshAndFindFileByPath(VfsImplUtil.java:122)
	at com.intellij.openapi.vfs.impl.local.LocalFileSystemBase.refreshAndFindFileByPath(LocalFileSystemBase.java:69)
	at com.intellij.openapi.vfs.VfsUtil.findFile(VfsUtil.java:209)
	at com.intellij.openapi.vfs.VfsUtil.findFileByIoFile(VfsUtil.java:202)
	at fr.adrienbrault.idea.symfony2plugin.templating.path.TwigPath.getDirectory(TwigPath.java:94)
	at fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil.getTemplateNameForTwigPath(TwigUtil.java:1318)
	at fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil.lambda$getTemplateNamesForFile$10(TwigUtil.java:1311)
	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
	at fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil.getTemplateNamesForFile(TwigUtil.java:1313)
	at fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil.getTemplateNamesForFile(TwigUtil.java:1293)
	at fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil.getTwigFileMethodUsageOnIndex(TwigUtil.java:820)
	at fr.adrienbrault.idea.symfony2plugin.twig.icon.TwigIconProvider.hasController(TwigIconProvider.java:72)
	at fr.adrienbrault.idea.symfony2plugin.twig.icon.TwigIconProvider.getIcon(TwigIconProvider.java:33)
	at com.intellij.util.PsiIconUtil.getProvidersIcon(PsiIconUtil.java:21)
	at com.intellij.ide.FileIconPatcherImpl.getIcon(FileIconPatcherImpl.java:37)
	at com.intellij.util.IconUtil.getProvidersIcon(IconUtil.java:215)
	at com.intellij.util.IconUtil.computeFileIcon(IconUtil.java:149)
	at com.intellij.util.IconUtil.lambda$static$0(IconUtil.java:137)
	at com.intellij.ui.DeferredIconImpl.evaluate(DeferredIconImpl.java:247)
	at com.intellij.ui.DeferredIconImpl.lambda$scheduleEvaluation$1(DeferredIconImpl.java:172)
	at com.intellij.ui.IconDeferrerImpl.evaluateDeferred(IconDeferrerImpl.java:99)
	at com.intellij.ui.DeferredIconImpl.lambda$scheduleEvaluation$2(DeferredIconImpl.java:172)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1152)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runInReadActionWithWriteActionPriority$0(ProgressIndicatorUtils.java:75)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runActionAndCancelBeforeWrite(ProgressIndicatorUtils.java:158)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runWithWriteActionPriority$1(ProgressIndicatorUtils.java:115)
	at com.intellij.openapi.progress.ProgressManager.lambda$runProcess$0(ProgressManager.java:58)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:189)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$12(CoreProgressManager.java:608)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:683)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:639)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:607)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:60)
	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:176)
	at com.intellij.openapi.progress.ProgressManager.runProcess(ProgressManager.java:58)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runWithWriteActionPriority(ProgressIndicatorUtils.java:112)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runInReadActionWithWriteActionPriority(ProgressIndicatorUtils.java:75)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runInReadActionWithWriteActionPriority(ProgressIndicatorUtils.java:96)
	at com.intellij.ui.DeferredIconImpl.lambda$scheduleEvaluation$5(DeferredIconImpl.java:171)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at com.intellij.util.concurrency.BoundedTaskExecutor.doRun(BoundedTaskExecutor.java:241)
	at com.intellij.util.concurrency.BoundedTaskExecutor.access$200(BoundedTaskExecutor.java:31)
	at com.intellij.util.concurrency.BoundedTaskExecutor$1.execute(BoundedTaskExecutor.java:214)
	at com.intellij.util.ConcurrencyUtil.runUnderThreadName(ConcurrencyUtil.java:212)
	at com.intellij.util.concurrency.BoundedTaskExecutor$1.run(BoundedTaskExecutor.java:203)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:668)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:665)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:665)
	at java.base/java.lang.Thread.run(Thread.java:829)