Dear, Have a look at the thread where we discussed and resolved almost same issue:
https://groups.google.com/forum/#!topic/tryton/xXhj4u1kD3Y Best Regards, Khurram. -- You received this message because you are subscribed to the Google Groups "tryton" group. To view this discussion on the web visit https://groups.google.com/d/msgid/tryton/CAM3N3Cw2H%2B1e2PJCmbE-r5CaccA3i7i_Pw40SgDLAOariSsEMw%40mail.gmail.com.
