From c62772785abef28177998f7163824407f3196dce Mon Sep 17 00:00:00 2001
From: Matthew Wire <devel@mrwire.co.uk>
Date: Fri, 19 Jan 2018 12:22:22 +0700
Subject: [PATCH] Fix divide by zero on 100% discount

---
 CRM/Contribute/BAO/Contribution.php | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/CRM/Contribute/BAO/Contribution.php b/CRM/Contribute/BAO/Contribution.php
index b4fe8f809a88..bab9b5918549 100644
--- a/CRM/Contribute/BAO/Contribution.php
+++ b/CRM/Contribute/BAO/Contribution.php
@@ -5687,15 +5687,17 @@ public static function getSalesTaxFinancialAccounts() {
    * Create tax entry in civicrm_entity_financial_trxn table.
    *
    * @param array $entityParams
-   *
    * @param array $eftParams
    *
    */
   public static function createProportionalEntry($entityParams, $eftParams) {
-    $paid = $entityParams['line_item_amount'] * ($entityParams['trxn_total_amount'] / $entityParams['contribution_total_amount']);
-    // Record Entity Financial Trxn; CRM-20145
-    $eftParams['amount'] = CRM_Contribute_BAO_Contribution_Utils::formatAmount($paid);
-    civicrm_api3('EntityFinancialTrxn', 'create', $eftParams);
+    $contributionTotalAmount = (float) $entityParams['contribution_total_amount'];
+    if (!empty($contributionTotalAmount)) {
+      $paid = $entityParams['line_item_amount'] * ($entityParams['trxn_total_amount'] / $entityParams['contribution_total_amount']);
+      // Record Entity Financial Trxn; CRM-20145
+      $eftParams['amount'] = CRM_Contribute_BAO_Contribution_Utils::formatAmount($paid);
+      civicrm_api3('EntityFinancialTrxn', 'create', $eftParams);
+    }
   }
 
   /**