In Windows, Odoo 8 Installedl10n_ch_payment_slip Module
https://apps.odoo.com/apps/modules/8.0/l10n_ch_payment_slip/
using the menu (Accounting --> Customers --> Customers Invoice --> Print --> Payment Slip while generation PDF or HTML Payment Slip report. It does not generate report either in html or pdf.
In the code QWEB print payment slip Report Template "one_slip_per_page" is not found or not created in the code.
Odoo Log file Error:
File "C:\Program Files\Odoo 8.0-20150326\server\openerp\addons\report\controllers\main.py", line 63, in report_routes
return request.make_response(html)
File "C:\Program Files\Odoo 8.0-20150326\server\openerp\api.py", line 241, in wrapper
return old_api(self, args, *kwargs)
File "C:\Program Files\Odoo 8.0-20150326\server\openerp\addons\report\models\report.py", line 165, in get_html
return particularreport_obj.render_html(cr, uid, ids, data=data, context=context)
AttributeError: 'report.one_slip_per_page_from_invoice' object has no attribute 'render_html'