If you don't know what just happened, and wish to file a ticket
please copy the error below and share it.
Traceback (most recent call last):
File "apps/frappe/frappe/website/serve.py", line 18, in get_response
response = renderer_instance.render()
File "apps/frappe/frappe/website/page_renderers/document_page.py", line 52, in render
html = self.get_html()
File "apps/frappe/frappe/website/utils.py", line 517, in cache_html_decorator
html = func(*args, **kwargs)
File "apps/frappe/frappe/website/page_renderers/document_page.py", line 61, in get_html
self.update_context()
File "apps/frappe/frappe/website/page_renderers/document_page.py", line 77, in update_context
ret = self.doc.get_context(self.context)
File "apps/erpnext/erpnext/e_commerce/doctype/website_item/website_item.py", line 225, in get_context
self.set_shopping_cart_data(context)
File "apps/erpnext/erpnext/e_commerce/doctype/website_item/website_item.py", line 314, in set_shopping_cart_data
context.shopping_cart = get_product_info_for_website(
File "apps/erpnext/erpnext/e_commerce/shopping_cart/product_info.py", line 54, in get_product_info_for_website
stock_status = get_web_item_qty_in_stock(item_code, "website_warehouse")
File "apps/erpnext/erpnext/utilities/product.py", line 14, in get_web_item_qty_in_stock
template_item_code, is_stock_item = frappe.db.get_value(
TypeError: cannot unpack non-iterable NoneType object