IndexNotReadyException at SymfonyBundleUtil.loadBundles

[Leneshka]

Stack trace:

Please change caller according to com.intellij.openapi.project.IndexNotReadyException documentation

com.intellij.openapi.project.IndexNotReadyException: Please change caller according to com.intellij.openapi.project.IndexNotReadyException documentation
at com.intellij.util.indexing.FileBasedIndexImpl.handleDumbMode(FileBasedIndexImpl.java:848)
at com.intellij.util.indexing.FileBasedIndexImpl.ensureUpToDate(FileBasedIndexImpl.java:797)
at com.intellij.util.indexing.FileBasedIndexImpl.ensureUpToDate(FileBasedIndexImpl.java:781)
at com.intellij.psi.stubs.StubIndexImpl.processElements(StubIndexImpl.java:253)
at com.intellij.psi.stubs.StubIndexImpl.processElements(StubIndexImpl.java:241)
at com.intellij.psi.stubs.StubIndex.process(StubIndex.java:76)
at com.intellij.psi.stubs.StubIndex.process(StubIndex.java:95)
at com.intellij.psi.stubs.StubIndexImpl.get(StubIndexImpl.java:230)
at com.intellij.psi.stubs.StubIndex.getElements(StubIndex.java:144)
at com.intellij.psi.stubs.StubIndex.getElements(StubIndex.java:134)
at com.jetbrains.php.PhpIndexImpl.getDirectSubclasses(PhpIndexImpl.java:237)
at com.jetbrains.php.PhpIndexImpl.getAllSubclasses(PhpIndexImpl.java:252)
at com.jetbrains.php.PhpIndexImpl.getAllSubclasses(PhpIndexImpl.java:244)
at fr.adrienbrault.idea.symfony2plugin.util.SymfonyBundleUtil.loadBundles(SymfonyBundleUtil.java:31)
at fr.adrienbrault.idea.symfony2plugin.util.SymfonyBundleUtil.(SymfonyBundleUtil.java:21)
at fr.adrienbrault.idea.symfony2plugin.TwigHelper.getTwigNamespaces(TwigHelper.java:267)
at fr.adrienbrault.idea.symfony2plugin.ui.TwigSettingsForm.attachItems(TwigSettingsForm.java:94)
at fr.adrienbrault.idea.symfony2plugin.ui.TwigSettingsForm.(TwigSettingsForm.java:56)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.picocontainer.defaults.InstantiatingComponentAdapter.newInstance(InstantiatingComponentAdapter.java:193)
at org.picocontainer.defaults.ConstructorInjectionComponentAdapter$1.run(ConstructorInjectionComponentAdapter.java:220)
at org.picocontainer.defaults.ThreadLocalCyclicDependencyGuard.observe(ThreadLocalCyclicDependencyGuard.java:53)
at org.picocontainer.defaults.ConstructorInjectionComponentAdapter.getComponentInstance(ConstructorInjectionComponentAdapter.java:248)
at com.intellij.openapi.extensions.AbstractExtensionPointBean.instantiate(AbstractExtensionPointBean.java:75)
at com.intellij.openapi.options.ConfigurableEP$NewInstanceFactory.create(ConfigurableEP.java:194)
at com.intellij.openapi.options.ConfigurableEP$NewInstanceFactory.create(ConfigurableEP.java:192)
at com.intellij.openapi.options.ConfigurableEP.createConfigurable(ConfigurableEP.java:152)
at com.intellij.openapi.options.ex.ConfigurableWrapper.getConfigurable(ConfigurableWrapper.java:97)
at com.intellij.openapi.options.ex.ConfigurableWrapper.createComponent(ConfigurableWrapper.java:134)
at com.intellij.openapi.options.newEditor.OptionsEditor$Simple.(OptionsEditor.java:1226)
at com.intellij.openapi.options.newEditor.OptionsEditor.initConfigurable(OptionsEditor.java:520)
at com.intellij.openapi.options.newEditor.OptionsEditor.access$2300(OptionsEditor.java:68)
at com.intellij.openapi.options.newEditor.OptionsEditor$8$1$1.run(OptionsEditor.java:489)
at com.intellij.openapi.application.impl.ApplicationImpl.runEdtSafeAction(ApplicationImpl.java:1126)
at com.intellij.openapi.options.newEditor.OptionsEditor$8$1.run(OptionsEditor.java:482)
at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:941)
at com.intellij.openapi.options.newEditor.OptionsEditor$8.run(OptionsEditor.java:479)
at com.intellij.openapi.application.impl.ApplicationImpl$9.run(ApplicationImpl.java:446)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:695)
at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:149)

[Haehnchen]

some issue as in #383, #370