diff --git a/src/App.php b/src/App.php
index 48bf889..5fa6b78 100644
--- a/src/App.php
+++ b/src/App.php
@@ -562,7 +562,7 @@ public static function debugger(string $instance = 'default') : Debugger
      */
     protected static function setDebugger(string $instance) : Debugger
     {
-        $config = static::config()->get('debugger');
+        $config = static::config()->get('debugger', $instance);
         $service = new Debugger();
         if (isset($config['debugbar_view'])) {
             $service->setDebugbarView($config['debugbar_view']);
@@ -605,7 +605,7 @@ public static function exceptionHandler(string $instance = 'default') : Exceptio
      */
     protected static function setExceptionHandler(string $instance) : ExceptionHandler
     {
-        $config = static::config()->get('exceptionHandler');
+        $config = static::config()->get('exceptionHandler', $instance);
         $environment = $config['environment'] ?? ExceptionHandler::PRODUCTION;
         $logger = null;
         if (isset($config['logger_instance'])) {
diff --git a/tests/ModelTest.php b/tests/ModelTest.php
index ccaba40..c006c7d 100644
--- a/tests/ModelTest.php
+++ b/tests/ModelTest.php
@@ -264,7 +264,7 @@ public function testCreateExceptionUnknownColumn() : void
     {
         $this->model->allowedFields[] = 'not-exists';
         $this->expectException(\mysqli_sql_exception::class);
-        $this->expectExceptionMessage("Unknown column 'not-exists' in 'field list'");
+        $this->expectExceptionMessage("Unknown column 'not-exists' in 'INSERT INTO'");
         $this->model->create(['not-exists' => 'Value']);
     }
 
@@ -355,7 +355,7 @@ public function testUpdateExceptionUnknownColumn() : void
     {
         $this->model->allowedFields[] = 'not-exists';
         $this->expectException(\mysqli_sql_exception::class);
-        $this->expectExceptionMessage("Unknown column 'not-exists' in 'field list'");
+        $this->expectExceptionMessage("Unknown column 'not-exists' in 'SET'");
         $this->model->update(1, ['not-exists' => 'Value']);
     }
 
@@ -373,7 +373,7 @@ public function testReplaceExceptionUnknownColumn() : void
     {
         $this->model->allowedFields[] = 'not-exists';
         $this->expectException(\mysqli_sql_exception::class);
-        $this->expectExceptionMessage("Unknown column 'not-exists' in 'field list'");
+        $this->expectExceptionMessage("Unknown column 'not-exists' in 'INSERT INTO'");
         $this->model->replace(1, ['not-exists' => 'Value']);
     }