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

[neuro159]

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:853)
at com.intellij.util.indexing.FileBasedIndexImpl.ensureUpToDate(FileBasedIndexImpl.java:802)
at com.intellij.util.indexing.FileBasedIndexImpl.ensureUpToDate(FileBasedIndexImpl.java:786)
at com.intellij.psi.stubs.StubIndexImpl.processElements(StubIndexImpl.java:250)
at com.intellij.psi.stubs.StubIndexImpl.processElements(StubIndexImpl.java:238)
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:227)
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:263)
at fr.adrienbrault.idea.symfony2plugin.TwigHelper.getTwigNamespaces(TwigHelper.java:247)
at fr.adrienbrault.idea.symfony2plugin.TwigHelper.getTemplateFilesByName(TwigHelper.java:66)
at fr.adrienbrault.idea.symfony2plugin.TwigHelper.getTemplateFilesByName(TwigHelper.java:100)
at fr.adrienbrault.idea.symfony2plugin.toolwindow.Symfony2SearchForm.getItems(Symfony2SearchForm.java:155)
at fr.adrienbrault.idea.symfony2plugin.toolwindow.Symfony2SearchForm$3.run(Symfony2SearchForm.java:168)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:332)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:749)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:702)
at java.awt.EventQueue$3.run(EventQueue.java:696)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:719)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:734)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:569)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:382)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)