From 41f2678e1db384629b937d121a1e689d93155ff4 Mon Sep 17 00:00:00 2001
From: Coleman Watts <coleman@civicrm.org>
Date: Tue, 26 Apr 2022 20:12:53 +0200
Subject: [PATCH] APIv4 - Prevent error when entity has no primary key

---
 Civi/Api4/Generic/AbstractSaveAction.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Civi/Api4/Generic/AbstractSaveAction.php b/Civi/Api4/Generic/AbstractSaveAction.php
index 94b932efd3..d61718d646 100644
--- a/Civi/Api4/Generic/AbstractSaveAction.php
+++ b/Civi/Api4/Generic/AbstractSaveAction.php
@@ -204,7 +204,7 @@ abstract class AbstractSaveAction extends AbstractAction {
       'action' => 'get',
       'where' => [
         ['type', 'IN', ['Field', 'Custom']],
-        ['name', 'NOT IN', CoreUtil::getInfoItem($this->getEntityName(), 'primary_key')],
+        ['name', 'NOT IN', (array) CoreUtil::getInfoItem($this->getEntityName(), 'primary_key')],
       ],
     ], ['name']);
   }
-- 
2.25.1