I renamed a view model.
I got an error directly after.
I noticed the original model was but there was also a new model with all same contents that had the 'new' name of the model i gave to rename.
Now I cannot delete the 'old model' I get the following "Internal error"

org.eclipse.core.internal.resources.ResourceException: Problems encountered while deleting resources.
at org.eclipse.core.internal.resources.Resource.delete(Resource.java:816)
at org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(DeleteResourceChange.java:168)
at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
at org.teiid.designer.ui.refactor.AbstractResourcesCompositeChange.perform(AbstractResourcesCompositeChange.java:64)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(PerformChangeOperation.java:258)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2345)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:306)
at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.executeChange(UIPerformChangeOperation.java:92)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation.run(PerformChangeOperation.java:218)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2345)
at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Contains: Could not delete 'D:\tljohnst\workspace_JulyPOC\JulyPOC_AnnotationDB\views\test2.xmi'.
org.eclipse.core.runtime.CoreException: Problems encountered while deleting files.
at org.eclipse.core.internal.filesystem.local.LocalFile.delete(LocalFile.java:131)
at org.eclipse.core.internal.resources.ResourceTree.internalDeleteFile(ResourceTree.java:304)
at org.eclipse.core.internal.resources.ResourceTree.standardDeleteFile(ResourceTree.java:785)
at org.eclipse.core.internal.resources.Resource.unprotectedDelete(Resource.java:1973)
at org.eclipse.core.internal.resources.Resource.delete(Resource.java:803)
at org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(DeleteResourceChange.java:168)
at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
at org.teiid.designer.ui.refactor.AbstractResourcesCompositeChange.perform(AbstractResourcesCompositeChange.java:64)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(PerformChangeOperation.java:258)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2345)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:306)
at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.executeChange(UIPerformChangeOperation.java:92)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation.run(PerformChangeOperation.java:218)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2345)
at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Contains: Could not delete: D:\tljohnst\workspace_JulyPOC\JulyPOC_AnnotationDB\views\test2.xmi.