diff --git a/addons/account/installer.py b/addons/account/installer.py
index 4dd01f9ec8b..03cd2787923 100644
--- a/addons/account/installer.py
+++ b/addons/account/installer.py
@@ -298,8 +298,8 @@ class account_installer(osv.osv_memory):
 
         # Creating Journals Sales and Purchase
         vals_journal={}
-        data_id = data_pool.search(cr, uid, [('model','=','account.journal.view'), ('name','=','account_sp_journal_view')])
-        data = data_pool.browse(cr, uid, data_id[0])
+        data_id = mod_obj.search(cr, uid, [('model','=','account.journal.view'), ('name','=','account_sp_journal_view')])
+        data = mod_obj.browse(cr, uid, data_id[0])
         view_id = data.res_id
         
         seq_id = obj_sequence.search(cr,uid,[('name','=','Account Journal')])[0]
diff --git a/addons/mrp/mrp.py b/addons/mrp/mrp.py
index 813133385be..4f33b0c1558 100644
--- a/addons/mrp/mrp.py
+++ b/addons/mrp/mrp.py
@@ -60,7 +60,8 @@ class mrp_workcenter(osv.osv):
        'resource_id': fields.many2one('resource.resource','Resource',ondelete='cascade'),
     }
     _defaults = {
-        'capacity_per_cycle': lambda *a: 1.0,
+        'capacity_per_cycle': 1.0,
+        'resource_type': 'material',
      }
 mrp_workcenter()
 
diff --git a/addons/project_long_term/project_long_term.py b/addons/project_long_term/project_long_term.py
index 03b8ae8edc8..e87512d0c75 100644
--- a/addons/project_long_term/project_long_term.py
+++ b/addons/project_long_term/project_long_term.py
@@ -190,6 +190,8 @@ class project_phase(osv.osv):
             return super(project_phase, self).write(cr, uid, ids, vals, context=context)
         # Consider calendar and efficiency if the phase is performed by a resource
         # otherwise consider the project's working calendar
+        if type(ids) == int:
+            ids = [ids]
         phase = self.browse(cr, uid, ids[0], context=context)
         calendar_id = phase.project_id.resource_calendar_id and phase.project_id.resource_calendar_id.id or False
         resource_id = resource_obj.search(cr, uid, [('user_id', '=', phase.responsible_id.id)],context=context)
@@ -246,7 +248,7 @@ class project_resource_allocation(osv.osv):
     _rec_name = 'resource_id'
     _columns = {
         'resource_id': fields.many2one('resource.resource', 'Resource', required=True),
-        'phase_id': fields.many2one('project.phase', 'Project Phase', required=True),
+        'phase_id': fields.many2one('project.phase', 'Project Phase', ondelete='cascade', required=True),
         'phase_id_date_start': fields.related('phase_id', 'date_start', type='date', string='Starting Date of the phase'),
         'phase_id_date_end': fields.related('phase_id', 'date_end', type='date', string='Ending Date of the phase'),
         'useability': fields.float('Usability', help="Usability of this resource for this project phase in percentage (=50%)"),