I Try to create new price list report in Odoo v8. i simply copy and past product/views/report_pricelist.xml to other module and also change template id and create one report menu in xml file. i installed this module in odoo i woked but when i try to press button and i call this report i get below error.
QWebException: "'NoneType' object has no attribute '__getitem__'" while evaluating
how can i resolve this problem?
Thanks in advance.