Cannot open Symfony --> Twig / Template Tab

`Worker exited due to exception

java.lang.IllegalArgumentException: Argument for @NotNull parameter ‘path’ of fr/adrienbrault/idea/symfony2plugin/templating/path/TwigPath.<init> must not be null at fr.adrienbrault.idea.symfony2plugin.templating.path.TwigPath.$$$reportNull$$$0(TwigPath.java) at fr.adrienbrault.idea.symfony2plugin.templating.path.TwigPath.<init>(TwigPath.java) at fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil.getTwigNamespaces(TwigUtil.java:1337) at fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil.getTwigNamespaces(TwigUtil.java:1306) at fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil.getTemplateFiles(TwigUtil.java:1012) at fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil.getTemplatePsiElements(TwigUtil.java:1078) at fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil.getTemplateNavigationOnOffset(TwigUtil.java:1103) at fr.adrienbrault.idea.symfony2plugin.templating.TwigTemplateGoToDeclarationHandler.getTwigFiles(TwigTemplateGoToDeclarationHandler.java:259) at fr.adrienbrault.idea.symfony2plugin.templating.TwigTemplateGoToDeclarationHandler.getGotoDeclarationTargets(TwigTemplateGoToDeclarationHandler.java:68) at com.intellij.codeInsight.navigation.actions.GotoDeclarationAction.findTargetElementsNoVS(GotoDeclarationAction.java:276) at com.intellij.codeInsight.navigation.CtrlMouseHandler.a(CtrlMouseHandler.java:493) at com.intellij.codeInsight.navigation.CtrlMouseHandler.a(CtrlMouseHandler.java:472) at com.intellij.codeInsight.navigation.CtrlMouseHandler.access$2200(CtrlMouseHandler.java:91) at com.intellij.codeInsight.navigation.CtrlMouseHandler$TooltipProvider.a(CtrlMouseHandler.java:743) at com.intellij.codeInsight.navigation.CtrlMouseHandler$TooltipProvider.access$3300(CtrlMouseHandler.java:674) at com.intellij.codeInsight.navigation.CtrlMouseHandler$TooltipProvider$1.performInReadAction(CtrlMouseHandler.java:720) at com.intellij.openapi.progress.util.ReadTask.a(ReadTask.java:66) at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:959) at com.intellij.openapi.application.ReadAction.compute(ReadAction.java:57) at com.intellij.openapi.progress.util.ReadTask.runBackgroundProcess(ReadTask.java:66) at com.intellij.openapi.progress.util.ProgressIndicatorUtils.a(ProgressIndicatorUtils.java:227) at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:173) at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:157) at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:580) at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:525) at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:85) at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:144) at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:173) at com.intellij.openapi.progress.util.ProgressIndicatorUtils.a(ProgressIndicatorUtils.java:225) at com.intellij.openapi.progress.util.ProgressIndicatorUtils.access$100(ProgressIndicatorUtils.java:33) at com.intellij.openapi.progress.util.ProgressIndicatorUtils$4.run(ProgressIndicatorUtils.java:176) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)`

[Cashewz]

I fixed the problem by deleting the .idea folder in my project and re-enabled the symfony plugin afterwards.

[ruudk]

Created a PR to make this a bit nicer: https://github.com/Haehnchen/idea-php-symfony2-plugin/pull/1393