Patch-Magento_Base-M2.1.0-errors-apply-skin-fix.patch

--- pub/errors/processor.php	2017-01-24 19:38:40.000000000 +0300
+++ pub/errors/processor.php	2017-06-07 15:22:18.000000000 +0300
@@ -568,7 +568,7 @@
      */
     protected function _setSkin($value, \stdClass $config = null)
     {
-        if (preg_match('/^[a-z0-9_]+$/i', $value) && is_dir($this->_indexDir . self::ERROR_DIR . '/' . $value)) {
+        if (preg_match('/^[a-z0-9_]+$/i', $value) && is_dir($this->_errorDir . $value)) {
             if (!$config) {
                 if ($this->_config) {
                     $config = $this->_config;