From f30bfb20efe2a321afa017bce147b0f1d54a10b2 Mon Sep 17 00:00:00 2001
From: Yuri Kuznetsov <yurikuzn@users.noreply.github.com>
Date: Mon, 31 May 2021 12:57:51 +0300
Subject: [PATCH] fix

---
 application/Espo/Core/Duplicate/WhereBuilderFactory.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/application/Espo/Core/Duplicate/WhereBuilderFactory.php b/application/Espo/Core/Duplicate/WhereBuilderFactory.php
index bb50445dd0..03fdf4002e 100644
--- a/application/Espo/Core/Duplicate/WhereBuilderFactory.php
+++ b/application/Espo/Core/Duplicate/WhereBuilderFactory.php
@@ -64,7 +64,7 @@ class WhereBuilderFactory
         return $this->injectableFactory->create($className);
     }
 
-    private function getClassName(string $entityType): string
+    private function getClassName(string $entityType): ?string
     {
         return $this->metadata
             ->get(['recordDefs', $entityType, 'duplicateWhereBuilderClassName']);