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Opened by Makram Anane@Makram
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Error message when running trainImageClassifier; TRainRegression and trainVectorClassifier

I am using OTB 6.6.0. for Qgis 3.4.1 in Win10 64bits An error message appears when running trainImageClassifier; TRainRegression and trainVectorClassifier. The message for TrainImageClassifier is

2018-11-21T16:53:36     WARNING    Traceback (most recent call last):
              File "C:/PROGRA~1/QGIS3~1.4/apps/qgis/./python/plugins\processing\gui\ProcessingToolbox.py", line 247, in executeAlgorithm
              dlg = AlgorithmDialog(alg, self.in_place_mode, iface.mainWindow())
              File "C:/PROGRA~1/QGIS3~1.4/apps/qgis/./python/plugins\processing\gui\AlgorithmDialog.py", line 77, in __init__
              self.setMainWidget(self.getParametersPanel(alg, self))
              File "C:/PROGRA~1/QGIS3~1.4/apps/qgis/./python/plugins\processing\gui\AlgorithmDialog.py", line 93, in getParametersPanel
              return ParametersPanel(parent, alg, self.in_place)
              File "C:/PROGRA~1/QGIS3~1.4/apps/qgis/./python/plugins\processing\gui\ParametersPanel.py", line 103, in __init__
              self.initWidgets()
              File "C:/PROGRA~1/QGIS3~1.4/apps/qgis/./python/plugins\processing\gui\ParametersPanel.py", line 240, in initWidgets
              wrapper.postInitialize(list(self.wrappers.values()))
              File "C:\qgis-plugins\qgis-otb-plugin\otb\OTBChoiceWidget.py", line 92, in postInitialize
              wrapper.widget.setVisible(v)
             AttributeError: 'QgsAbstractProcessingParameterWidgetWrapper' object has no attribute 'widget'

Please could you help me to resolve the issue regards

Edited by Rashad Kanavath