Gaston D'Apice

**Describe the bug** java.lang.IllegalStateException: Attempt to modify PSI for non-committed Document! at com.intellij.pom.core.impl.PomModelImpl.startTransaction(PomModelImpl.java:313) at com.intellij.pom.core.impl.PomModelImpl.lambda$runTransaction$2(PomModelImpl.java:136) at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:586) at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:532) at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:86) at com.intellij.openapi.progress.impl.CoreProgressManager.executeNonCancelableSection(CoreProgressManager.java:192) at com.intellij.pom.core.impl.PomModelImpl.runTransaction(PomModelImpl.java:135) at com.intellij.psi.impl.source.tree.ChangeUtil.prepareAndRunChangeAction(ChangeUtil.java:149) at com.intellij.psi.impl.source.tree.CompositeElement.addChild(CompositeElement.java:613) at...