diff --git a/core/src/Controllers/Template.php b/core/src/Controllers/Template.php
index d450d4290a..eda892c152 100644
--- a/core/src/Controllers/Template.php
+++ b/core/src/Controllers/Template.php
@@ -159,7 +159,16 @@ protected function parameterData()
 
         if ($id > 0) {
             if (!$data->exists) {
-                $this->managerTheme->alertAndQuit('No database record has been found for this template.');
+                // false: the message is the message, not a lexicon key - and a
+                // key that does not exist used to resolve to '', so this alert
+                // was empty. The URL is the page's own Cancel target: without
+                // one the alert falls back to history.back(-1), straight into
+                // the request that raised it.
+                $this->managerTheme->alertAndQuit(
+                    'No database record has been found for this template.',
+                    false,
+                    'index.php?a=76&tab=0'
+                );
             }
 
             $_SESSION['itemname'] = $data->templatename;
diff --git a/core/src/Core.php b/core/src/Core.php
index 1d2061e943..d937b554ac 100644
--- a/core/src/Core.php
+++ b/core/src/Core.php
@@ -3610,8 +3610,8 @@ public function webAlertAndQuit($msg, $url = '')
         $style = '';
         if (IN_MANAGER_MODE) {
             $path = 'media/style/' . $this->getConfig('manager_theme') . '/';
-            if (is_file(EVO_MANAGER_PATH . $path . '/css/styles.min.css')) {
-                $file_name = '/css/styles.min.css';
+            if (is_file(EVO_MANAGER_PATH . $path . 'css/styles.min.css')) {
+                $file_name = 'css/styles.min.css';
             } else {
                 $file_name = 'style.css';
             }
diff --git a/core/src/ManagerTheme.php b/core/src/ManagerTheme.php
index 25e6799b2b..f37a509758 100644
--- a/core/src/ManagerTheme.php
+++ b/core/src/ManagerTheme.php
@@ -838,12 +838,21 @@ public function getCore(): CoreInterface
     /**
      * @inheritdoc
      */
-    public function alertAndQuit(string $message, $lexicon = true): void
+    /**
+     * @param string $message a lexicon key, or the message itself when $lexicon is false
+     * @param bool $lexicon whether $message is a key to look up
+     * @param string $url where to send the user after the alert. Empty means
+     *                    history.back(-1), which on a page that alerts as soon
+     *                    as it is opened returns to the page that alerts - a
+     *                    loop the user cannot leave. Pass a destination
+     *                    whenever the alert ends the page.
+     */
+    public function alertAndQuit(string $message, $lexicon = true, string $url = ''): void
     {
         if ($lexicon) {
-            $message = $this->getLexicon($message);
+            $message = $this->getLexicon($message, $message);
         }
-        $this->getCore()->webAlertAndQuit($message);
+        $this->getCore()->webAlertAndQuit($message, $url);
     }
 
     public function isLoadDatePicker(): bool