Hi
Good afternoon , the reason is this , when I generate electronic billing CFDI 3.2 from a sales order indicates to me that there is an error Failed to validate the document does not contain exactly one root node.
Below this node and
The XML file does not meet government requirements . Schema validation failed.
An error occurred during upgrade
I searched the error and I can not find it, to utility bills I have no problem , I hope you can guide me
tanks