diff --git a/admin/tool/licensemanager/classes/manager.php b/admin/tool/licensemanager/classes/manager.php
index 85d37544cf5..1e76bfb5699 100644
--- a/admin/tool/licensemanager/classes/manager.php
+++ b/admin/tool/licensemanager/classes/manager.php
@@ -95,7 +95,7 @@ class manager {
         }
 
         $viewmanager = true;
-
+        $message = null;
         switch ($action) {
             case self::ACTION_DISABLE:
                 license_manager::disable($license);
@@ -106,7 +106,12 @@ class manager {
                 break;
 
             case self::ACTION_DELETE:
-                license_manager::delete($license);
+                try {
+                    license_manager::delete($license);
+                } catch (\moodle_exception $e) {
+                    $message = $e->getMessage();
+                }
+
                 break;
 
             case self::ACTION_CREATE:
@@ -124,7 +129,7 @@ class manager {
                 break;
         }
         if ($viewmanager) {
-            $this->view_license_manager();
+            $this->view_license_manager($message);
         }
     }
 
@@ -229,8 +234,8 @@ class manager {
     /**
      * View the license manager.
      */
-    private function view_license_manager() : void {
-        global $PAGE;
+    private function view_license_manager(string $message = null) : void {
+        global $PAGE, $OUTPUT;
 
         $PAGE->requires->js_call_amd('tool_licensemanager/delete_license');
 
@@ -238,6 +243,10 @@ class manager {
         $html = $renderer->header();
         $html .= $renderer->heading(get_string('licensemanager', 'tool_licensemanager'));
 
+        if (!empty($message)) {
+            $html .= $OUTPUT->notification($message);
+        }
+
         $table = new \tool_licensemanager\output\table();
         $html .= $renderer->render($table);
         $html .= $renderer->footer();