diff --git a/upgrades/8.1/scripts/BeforeUpgrade.php b/upgrades/8.1/scripts/BeforeUpgrade.php
new file mode 100644
index 0000000000..a8e9180bdb
--- /dev/null
+++ b/upgrades/8.1/scripts/BeforeUpgrade.php
@@ -0,0 +1,62 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2023 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+use Espo\Core\Exceptions\Error;
+use Espo\Core\Container;
+use Espo\Core\Utils\Config;
+
+/** @noinspection PhpMultipleClassDeclarationsInspection */
+class BeforeUpgrade
+{
+    /**
+     * @throws Error
+     */
+    public function run(Container $container): void
+    {
+        $this->checkLogHandlers($container);
+    }
+
+    /**
+     * @throws Error
+     */
+    private function checkLogHandlers(Container $container): void
+    {
+        $config = $container->getByClass(Config::class);
+
+        if (!$config->get('logger.handlerList')) {
+            return;
+        }
+
+        $msg = "You need to remove logger.handlerList from the `data/config-internal.php` before upgrading. " .
+            "In EspoCRM v8.1, Monolog library was updated, custom log handlers may be incompatible. ".
+            "You will be able to return the handlers back after the upgrade.";
+
+        throw new Error($msg);
+    }
+}