Hi,

   I got this error can anyone give me any suggestion how to clear it.............

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/werkzeug/serving.py", line 177, in run_wsgi
    execute(self.server.app)
  File "/usr/lib/python2.7/dist-packages/werkzeug/serving.py", line 165, in execute
    application_iter = app(environ, start_response)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/service/server.py", line 281, in app
    return self.app(e, s)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/service/wsgi_server.py", line 216, in application
    return application_unproxied(environ, start_response)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/service/wsgi_server.py", line 202, in application_unproxied
    result = handler(environ, start_response)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/http.py", line 1239, in __call__
    return self.dispatch(environ, start_response)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/http.py", line 1213, in __call__
    return self.app(environ, start_wrapped)
  File "/usr/lib/python2.7/dist-packages/werkzeug/wsgi.py", line 579, in __call__
    return self.app(environ, start_response)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/http.py", line 1371, in dispatch
    ir_http = request.registry['ir.http']
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/http.py", line 331, in registry
    return openerp.modules.registry.RegistryManager.get(self.db) if self.db else None
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/modules/registry.py", line 310, in get
    update_module)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/modules/registry.py", line 341, in new
    openerp.modules.load_modules(registry._db, force_demo, status, update_module)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/modules/loading.py", line 299, in load_modules
    graph.add_module(cr, 'base', force)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/modules/graph.py", line 89, in add_module
    self.add_modules(cr, [module], force)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/modules/graph.py", line 129, in add_modules
    self.update_from_db(cr)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/modules/graph.py", line 78, in update_from_db
    ' WHERE name IN %s',(tuple(additional_data),)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/sql_db.py", line 158, in wrapper
    return f(self, *args, **kwargs)
  File "/home/umashankar/Uma/Odoo8/odoo-8.0/openerp/sql_db.py", line 234, in execute
    res = self._obj.execute(query, params)
ProgrammingError: permission denied for relation ir_module_module

Thanks in advance....