From 505d7dbe935ca8f0a3d362f7e5f7a737c6f83814 Mon Sep 17 00:00:00 2001
From: Coleman Watts <coleman@civicrm.org>
Date: Mon, 14 Dec 2020 19:37:41 -0500
Subject: [PATCH] Fix Invalid argument PHP warning

---
 CRM/Core/Reference/Dynamic.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CRM/Core/Reference/Dynamic.php b/CRM/Core/Reference/Dynamic.php
index c7224922ab..b806a89398 100644
--- a/CRM/Core/Reference/Dynamic.php
+++ b/CRM/Core/Reference/Dynamic.php
@@ -24,7 +24,8 @@ class CRM_Core_Reference_Dynamic extends CRM_Core_Reference_Basic {
   public function getTargetEntities(): array {
     $targetEntities = [];
     $bao = CRM_Core_DAO_AllCoreTables::getClassForTable($this->refTable);
-    foreach ($bao::buildOptions($this->refTypeColumn) as $table => $label) {
+    $targetTables = (array) $bao::buildOptions($this->refTypeColumn);
+    foreach ($targetTables as $table => $label) {
       $targetEntities[$table] = CRM_Core_DAO_AllCoreTables::getEntityNameForTable($table);
     }
     return $targetEntities;
-- 
2.25.1