diff --git a/plugins/CustomVariables/Model.php b/plugins/CustomVariables/Model.php
index ce5ffe8843ad64c8102657aa03e9bd086c0cc0ba..d9a0623b4083e0c9082d6e5538131dcc0d3d6985 100644
--- a/plugins/CustomVariables/Model.php
+++ b/plugins/CustomVariables/Model.php
@@ -166,7 +166,7 @@ class Model
                     $model->addCustomVariable();
                 }
             } catch (\Exception $e) {
-                Log::warning('Failed to add custom variable: ' . $e->getMessage());
+                Log::error('Failed to add custom variable: ' . $e->getMessage());
             }
         }
     }
diff --git a/tests/PHPUnit/UI b/tests/PHPUnit/UI
index 5073b98c11ab94349cd9820f6f1b7b500851e6ab..92262f979840f6ac0935b769bf73bda47bf8af02 160000
--- a/tests/PHPUnit/UI
+++ b/tests/PHPUnit/UI
@@ -1 +1 @@
-Subproject commit 5073b98c11ab94349cd9820f6f1b7b500851e6ab
+Subproject commit 92262f979840f6ac0935b769bf73bda47bf8af02