diff --git a/qt/applications/workbench/workbench/plugins/workspacewidget.py b/qt/applications/workbench/workbench/plugins/workspacewidget.py
index 3f83632fe74baf3d36b526f4012cb1152fa6e0f8..a736c0ad1d6d249709a48c6f283816a4f300081b 100644
--- a/qt/applications/workbench/workbench/plugins/workspacewidget.py
+++ b/qt/applications/workbench/workbench/plugins/workspacewidget.py
@@ -17,6 +17,7 @@ from qtpy.QtWidgets import QMessageBox, QVBoxLayout
 
 # third-party library imports
 from mantid.api import AnalysisDataService
+from mantid.kernel import logger
 from mantidqt.widgets.instrumentview.presenter import InstrumentViewPresenter
 from mantidqt.widgets.matrixworkspacedisplay.presenter import MatrixWorkspaceDisplay
 from mantidqt.widgets.samplelogs.presenter import SampleLogs
@@ -135,7 +136,8 @@ class WorkspaceWidget(PluginWidget):
                     presenter = TableWorkspaceDisplay(ws, plot=matplotlib.pyplot, parent=self)
                     presenter.view.show()
                 except ValueError as x:
-                    raise x
+                    logger.error(
+                        "Could not open workspace: {0} with either MatrixWorkspaceDisplay nor TableWorkspaceDisplay.")
 
     def _action_double_click_workspace(self, name):
         self._do_show_data([name])
diff --git a/qt/python/mantidqt/widgets/tableworkspacedisplay/error_column.py b/qt/python/mantidqt/widgets/tableworkspacedisplay/error_column.py
index b91080ea0140d3ebd02a72f2028e02a65286002e..481a8b98b75cff82ec00b75e08365b8b0d5607d6 100644
--- a/qt/python/mantidqt/widgets/tableworkspacedisplay/error_column.py
+++ b/qt/python/mantidqt/widgets/tableworkspacedisplay/error_column.py
@@ -1,3 +1,14 @@
+# Mantid Repository : https://github.com/mantidproject/mantid
+#
+# Copyright © 2019 ISIS Rutherford Appleton Laboratory UKRI,
+#     NScD Oak Ridge National Laboratory, European Spallation Source
+#     & Institut Laue - Langevin
+# SPDX - License - Identifier: GPL - 3.0 +
+#    This file is part of the mantid workbench.
+#
+#
+
+
 class ErrorColumn:
     def __init__(self, column, error_for_column, label_index):
         self.column = column
diff --git a/qt/python/mantidqt/widgets/tableworkspacedisplay/marked_columns.py b/qt/python/mantidqt/widgets/tableworkspacedisplay/marked_columns.py
index 3a15aad7cf27a7ce217c02297f127b8c328272c2..8c30c53d3e2fdd01d721a199cefed8c6d27b4493 100644
--- a/qt/python/mantidqt/widgets/tableworkspacedisplay/marked_columns.py
+++ b/qt/python/mantidqt/widgets/tableworkspacedisplay/marked_columns.py
@@ -1,3 +1,14 @@
+# Mantid Repository : https://github.com/mantidproject/mantid
+#
+# Copyright © 2019 ISIS Rutherford Appleton Laboratory UKRI,
+#     NScD Oak Ridge National Laboratory, European Spallation Source
+#     & Institut Laue - Langevin
+# SPDX - License - Identifier: GPL - 3.0 +
+#    This file is part of the mantid workbench.
+#
+#
+
+
 class MarkedColumns:
     X_LABEL = "[X{}]"
     Y_LABEL = "[Y{}]"