diff --git a/application/Espo/Core/Utils/Database/DBAL/Schema/Index.php b/application/Espo/Core/Utils/Database/DBAL/Schema/Index.php
index b0356fd521..e17154d599 100644
--- a/application/Espo/Core/Utils/Database/DBAL/Schema/Index.php
+++ b/application/Espo/Core/Utils/Database/DBAL/Schema/Index.php
@@ -94,4 +94,25 @@ class Index extends \Doctrine\DBAL\Schema\Index
 
         return $columns;
     }
+
+    public function overrules(DBALIndex $other)
+    {
+        if ($other->isPrimary()) {
+            return false;
+        } else if ($this->isSimpleIndex() && $other->isUnique()) {
+            return false;
+        }
+
+        /*espo*/
+        if (count($other->getColumns()) != count($this->getColumns())) {
+            return false;
+        }
+        /*espo*/
+
+        if ($this->spansColumns($other->getColumns()) && ($this->isPrimary() || $this->isUnique())) {
+            return true;
+        }
+
+        return false;
+    }
 }
diff --git a/application/Espo/Resources/i18n/en_US/Admin.json b/application/Espo/Resources/i18n/en_US/Admin.json
index 2805323b28..d6c4a6a4bc 100644
--- a/application/Espo/Resources/i18n/en_US/Admin.json
+++ b/application/Espo/Resources/i18n/en_US/Admin.json
@@ -206,7 +206,7 @@
         "extensionInstalled": "Extension {name} {version} has been installed.",
         "installExtension": "Extension {name} {version} is ready for an installation.",
         "cronIsNotConfigured": "Scheduled jobs are not running.  Hence inbound emails, notifications and reminders are not working. Please follow the [instructions](https://www.espocrm.com/documentation/administration/server-configuration/#user-content-setup-a-crontab) to setup cron job.",
-        "newVersionIsAvailable": "New EspoCRM version {latestVersion} is available.",
+        "newVersionIsAvailable": "New EspoCRM version {latestVersion} is available. Please follow the [instructions](https://www.espocrm.com/documentation/administration/upgrading/) to upgrade your instance." ,
         "newExtensionVersionIsAvailable": "New {extensionName} version {latestVersion} is available.",
         "uninstallConfirmation": "Are you sure you want to uninstall the extension?",
         "upgradeInfo": "Check the [documentation]({url}) about how to upgrade your EspoCRM instance.",