Hello, I just discovered this error when I try to access quotes, products... Would any one know how to resolve this and how it may have happened ?

Any help is of course welcome !

Cheers

2014-02-11 11:46:18,722 30275 ERROR company openerp.netsvc: column product_template.attribute_set_id does not exist LINE 1: ...."purchase_ok",product_template."product_manager",product_te... ^ Traceback (most recent call last): File "/opt/openerp/server/openerp/netsvc.py", line 292, in dispatch_rpc result = ExportService.getService(service_name).dispatch(method, params) File "/opt/openerp/server/openerp/service/web_services.py", line 626, in dispatch res = fn(db, uid, params) File "/opt/openerp/server/openerp/osv/osv.py", line 190, in execute_kw return self.execute(db, uid, obj, method, *args, *kw or {}) File "/opt/openerp/server/openerp/osv/osv.py", line 132, in wrapper return f(self, dbname, args, *kwargs) File "/opt/openerp/server/openerp/osv/osv.py", line 199, in execute res = self.execute_cr(cr, uid, obj, method, args, *kw) File "/opt/openerp/server/openerp/osv/osv.py", line 187, in execute_cr return getattr(object, method)(cr, uid, args, *kw) File "/opt/openerp/server/openerp/osv/orm.py", line 3626, in read result = self._read_flat(cr, user, select, fields, context, load) File "/opt/openerp/server/openerp/osv/orm.py", line 3747, in _read_flat res2 = self._columns[f].get(cr, self, ids, f, user, context=context, values=res) File "/opt/openerp/server/openerp/osv/fields.py", line 1142, in get result = self._fnct(obj, cr, uid, ids, name, self._arg, context) File "/opt/openerp/addons/product/product.py", line 475, in _product_code res[p.id] = self._get_partner_code_name(cr, uid, [], p, context.get('partner_id', None), context=context)['code'] File "/opt/openerp/addons/product/product.py", line 467, in _get_partner_code_name res = {'code': product.default_code, 'name': product.name, 'variants': product.variants} File "/opt/openerp/server/openerp/osv/orm.py", line 497, in __getattr__ return self[name] File "/opt/openerp/server/openerp/osv/orm.py", line 405, in __getitem__ field_values = self._table.read(self._cr, self._uid, ids, field_names, context=self._context, load="_classic_write") File "/opt/openerp/server/openerp/osv/orm.py", line 3626, in read result = self._read_flat(cr, user, select, fields, context, load) File "/opt/openerp/server/openerp/osv/orm.py", line 3703, in _read_flat res2 = self.pool.get(table).read(cr, user, [x[col] for x in res], cols, context, load) File "/opt/openerp/server/openerp/osv/orm.py", line 3626, in read result = self._read_flat(cr, user, select, fields, context, load) File "/opt/openerp/server/openerp/osv/orm.py", line 3678, in _read_flat cr.execute(query, [tuple(sub_ids)] + rule_params) File "/opt/openerp/server/openerp/sql_db.py", line 161, in wrapper return f(self, args, *kwargs) File "/opt/openerp/server/openerp/sql_db.py", line 226, in execute res = self._obj.execute(query, params) ProgrammingError: column product_template.attribute_set_id does not exist LINE 1: ...."purchase_ok",product_template."product_manager",product_te...