My OC1.5.1.1, have the function "auto generate invoice numbers", but i need the opposite (a generate button) like the current OC version. How can i do it?
My OC:
I want this:
I hope any help please.
Thanks!

Thanks for the reply, but i don't know nothing about programming :/ADD Creative wrote:Look at the changes between the version you are using and a later version in the files below.
You need to add the createInvoiceNo fuction and the JavaScript in the template that calls it.
admin\view\template\sale\order_info.tpl
admin\controller\sale\order.php
Then remove invoice number generating code from the confirm function.
catalog\model\checkout\order.php
There may be more changes needed, search for invoice and look at the difference between versions.
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