diff --git a/php/Access/Access.php b/php/Access/Access.php
index 43b8bab..e991915 100644
--- a/php/Access/Access.php
+++ b/php/Access/Access.php
@@ -2,16 +2,18 @@
 
 namespace Lychee\Access;
 
+use Exception;
 use Lychee\Modules\Response;
 
 abstract class Access {
 
-	final protected static function fnNotFound() {
-
+	final protected static function fnNotFound($fn) {
+        $e = new Exception;
+        error_log("$fn: Function not found!" . var_export($e->getTraceAsString(), true));
 		Response::error('Function not found! Please check the spelling of the called function.');
 
 	}
 
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/php/Access/Admin.php b/php/Access/Admin.php
index df622f6..94edd0a 100644
--- a/php/Access/Admin.php
+++ b/php/Access/Admin.php
@@ -63,9 +63,9 @@ final class Admin extends Access {
 			case 'Album::getArchive':       self::getAlbumArchiveAction(); break;
 			case 'Photo::getArchive':       self::getPhotoArchiveAction(); break;
 
+            default:  self::fnNotFound($fn);
 		}
-
-		self::fnNotFound();
+		//self::fnNotFound($fn);
 
 	}
 
@@ -352,4 +352,4 @@ final class Admin extends Access {
 
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/php/Access/Guest.php b/php/Access/Guest.php
index 7b988a2..6cc650c 100644
--- a/php/Access/Guest.php
+++ b/php/Access/Guest.php
@@ -36,7 +36,7 @@ final class Guest extends Access {
 
 		}
 
-		self::fnNotFound();
+		self::fnNotFound($fn);
 
 	}
 
@@ -184,4 +184,4 @@ final class Guest extends Access {
 
 }
 
-?>
\ No newline at end of file
+?>