Changed:

- cannot have type-hints :-(

src/Database/DBA.php

@@ -223,7 +223,7 @@ class DBA
 	 * @return boolean Are there rows for that condition?
 	 * @throws \Exception
 	 */
-	public static function exists(string $table, array $condition): bool
+	public static function exists($table, array $condition): bool
 	{
 		return DI::dba()->exists($table, $condition);
 	}

view/theme/frio/style.php

@@ -79,7 +79,7 @@ if (!empty($_REQUEST['scheme'])) {
 	$scheme = $_REQUEST['scheme'];
 }
 
-$scheme = Strings::sanitizeFilePathItem($scheme);
+$scheme = Strings::sanitizeFilePathItem($scheme ?? '');
 
 if (($scheme) && ($scheme != '---')) {
 	if (file_exists('view/theme/frio/scheme/' . $scheme . '.php')) {