From d2f2284d4daa070c5619f2aa88a1f0298150f9ed Mon Sep 17 00:00:00 2001
From: David Bomba <turbo124@gmail.com>
Date: Thu, 7 Oct 2021 18:56:38 +1100
Subject: [PATCH] Fixes for recurring due dates

---
 app/Models/RecurringInvoice.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/Models/RecurringInvoice.php b/app/Models/RecurringInvoice.php
index 822da29ff3..944a1038a1 100644
--- a/app/Models/RecurringInvoice.php
+++ b/app/Models/RecurringInvoice.php
@@ -449,6 +449,10 @@ class RecurringInvoice extends BaseModel
 
     public function calculateDueDate($date)
     {
+        //if nothing is set, assume we are using terms.
+        if(!$this->due_date_days)
+            return $this->calculateDateFromTerms($date);    
+
         switch ($this->due_date_days) {
             case 'terms':
                 return $this->calculateDateFromTerms($date);