[config] fixed exception message, if local and master config is not exist

Author: prusov

library/config/io/reader/PhpFileReader.php

@@ -103,9 +103,10 @@ function (&$v) {
             $this->mergeConfig($config, $localSource);
         } elseif (!$masterConfigExists) {
             throw new RuntimeException($this->translate(
-                'Master configuration file "{file}" not found.',
+                'Master configuration file "{master}" or local configuration file "{local}" is not found.',
                 [
-                    'file' => $masterFilename
+                    'master' => $masterFilename,
+                    'local' => $localFilename
                 ]
             ));
         }