org.eclipse.dltk.core.ModelException: <project root> [in mb] does not exist
at org.eclipse.dltk.internal.core.ModelElement.newNotPresentException(ModelElement.java:270)
at org.eclipse.dltk.internal.core.ProjectFragment.getUnderlyingResource(ProjectFragment.java:342)
at org.eclipse.dltk.internal.core.Openable.getUnderlyingResource(Openable.java:273)
at org.eclipse.dltk.internal.core.Openable.getUnderlyingResource(Openable.java:273)
at org.eclipse.dltk.internal.core.AbstractSourceModule.getUnderlyingResource(AbstractSourceModule.java:368)
at com.dubture.twig.core.codeassist.context.AbstractTwigCompletionContext.isValid(AbstractTwigCompletionContext.java:113)
at com.dubture.twig.core.codeassist.context.VariableFieldContext.isValid(VariableFieldContext.java:49)
at com.dubture.symfony.twig.codeassist.context.TemplateVariableFieldCompletionContext.isValid(TemplateVariableFieldCompletionContext.java:41)
at org.eclipse.php.internal.core.codeassist.contexts.CompletionContextResolver.resolve(CompletionContextResolver.java:116)
at org.eclipse.php.internal.core.codeassist.PHPCompletionEngine.complete(PHPCompletionEngine.java:96)
at org.eclipse.php.internal.core.codeassist.PHPCompletionEngine.complete(PHPCompletionEngine.java:63)
at org.eclipse.dltk.internal.core.Openable$CompletionThread.run(Openable.java:503)
at org.eclipse.dltk.internal.core.Openable$CompletionThread.run(Openable.java:484)