[IMP] stock, purchase: improve usererror messages.

This commit add some steps in description in order to
correct the mistake.

addons/mrp/models/procurement.py

@@ -17,7 +17,7 @@ class ProcurementRule(models.Model):
         ProductionSudo = Production.sudo().with_context(force_company=values['company_id'].id)
         bom = self._get_matching_bom(product_id, values)
         if not bom:
-            msg = _('No Bill of Material found for product %s.') % (product_id.display_name,)
+            msg = _('There is no Bill of Material found for the product %s. Please define a Bill of Material for this product.') % (product_id.display_name,)
             raise UserError(msg)
 
         # create the MO as SUPERUSER because the current user may not have the rights to do it (mto product launched by a sale for example)

addons/purchase/models/purchase.py

@@ -866,7 +866,7 @@ class ProcurementRule(models.Model):
         suppliers = product_id.seller_ids\
             .filtered(lambda r: (not r.company_id or r.company_id == values['company_id']) and (not r.product_id or r.product_id == product_id))
         if not suppliers:
-            msg = _('No vendor associated to product %s. Unable to generate the purchase order.') % (product_id.display_name,)
+            msg = _('There is no vendor associated to the product %s. Please define a vendor for this product.') % (product_id.display_name,)
             raise UserError(msg)
 
         supplier = self._make_po_select_supplier(values, suppliers)

addons/stock/models/procurement.py

@@ -183,7 +183,7 @@ class ProcurementGroup(models.Model):
         rule = self._get_rule(product_id, location_id, values)
 
         if not rule:
-            raise UserError(_('No procurement rule found.'))
+            raise UserError(_('No procurement rule found. Please verify the configuration of your routes'))
 
         getattr(rule, '_run_%s' % rule.action)(product_id, product_qty, product_uom, location_id, name, origin, values)
         return True

addons/stock/wizard/stock_scheduler_compute_views.xml

@@ -6,9 +6,8 @@
         <field name="arch" type="xml">
             <form string="Parameters">
                 <p>
-                This will run the schedulers.  Which will try to reserve not available deliveries, 
-                try to see if it can solve any exceptions in the stock flow that might have been solved 
-                and will run the reordering rules. 
+                When you run the schedulers, Odoo tries to reserve the available stock to fulfill the existing pickings
+                and verify if some reordering rules should be triggered.
                 </p>
                 <field name="orderpoints_only" groups="base.group_no_one"/>
                 <footer>