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Allow both sequential invoice numbering & Proforma invoicing

Presently when you enable "Proforma Invoicing" the configuration of sequential invoice numbering is grayed out. I post this feature request because I need both.


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OK, I get it.
Hi there,
The Proforma Invoicing option requires Sequential Paid Invoice Numbering to be enabled.
When the Proforma Invoicing checkbox is ticked, the "Sequential Paid Invoice Numbering" option is automatically ticked too. It's then made non-selectable because it cannot be disabled without first disabling Proforma Invoicing.