[Qgis-user] Processing mean is not working

[azizul haque]

Dear QGIS Users,I installed SAGA for the QGIS(DEFOUR) version. Now it seems to be out of processing mean. I am getting following error message while opening qgis . Please guide me to solve this problem.RegardsAzizul
Couldn't load plugin BufferByPercentage due an error when calling its classFactory() method

Couldn't load plugin 'processing' from ['/Applications/QGIS.app/Contents/MacOS/../Resources/python', 
Traceback (most recent call last):
  File "/Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py", line 182, in loadPlugin
    __import__(packageName)
  File "/Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py", line 453, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "/Users/ahaque/.qgis2/python/plugins/processing/__init__.py", line 29, in 
    from processing.tools.general import *
  File "/Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py", line 453, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "/Users/ahaque/.qgis2/python/plugins/processing/tools/general.py", line 28, in 
    from processing.core.Processing import Processing
  File "/Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py", line 453, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "/Users/ahaque/.qgis2/python/plugins/processing/core/Processing.py", line 48, in 
    from processing.algs.qgis.QGISAlgorithmProvider import QGISAlgorithmProvider
  File "/Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py", line 453, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "/Users/ahaque/.qgis2/python/plugins/processing/algs/qgis/QGISAlgorithmProvider.py", line 128, in 
    from processing.algs.qgis.FieldsMapper import FieldsMapper
  File "/Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py", line 453, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "/Users/ahaque/.qgis2/python/plugins/processing/algs/qgis/FieldsMapper.py", line 37, in 
    from .ui.FieldsMapperDialogs import (FieldsMapperParametersDialog,
  File "/Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py", line 453, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "/Users/ahaque/.qgis2/python/plugins/processing/algs/qgis/ui/FieldsMapperDialogs.py", line 38, in 
    from .FieldsMappingPanel import FieldsMappingPanel
  File "/Applications/QGIS.app/Contents/MacOS/../Resources/python/qgis/utils.py", line 453, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "/Users/ahaque/.qgis2/python/plugins/processing/algs/qgis/ui/FieldsMappingPanel.py", line 34, in 
    from qgis.gui import QgsFieldExpressionWidget
ImportError: cannot import name QgsFieldExpressionWidget

Python version:
2.7.5 (default, Mar  9 2014, 22:15:05) 
[GCC 4.2.1 Compatible Apple LLVM 5.0 (clang-500.0.68)]


QGIS version:
2.0.1-Dufour Dufour, f738351

Python path: ['/Applications/QGIS.app/Contents/MacOS/../Resources/python', '/Users/ahaque/.qgis2/python', '/Users/ahaque/.qgis2/python/plugins', '/Applications/QGIS.app/Contents/MacOS/../Resources/python/plugins', '
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-user/attachments/20150325/8420736c/attachment.html>