diff --git a/addons/default/visiosoft/media-field_type/resources/lang/ja/validation.php b/addons/default/visiosoft/media-field_type/resources/lang/ja/validation.php
new file mode 100644
index 000000000..f2a6aade0
--- /dev/null
+++ b/addons/default/visiosoft/media-field_type/resources/lang/ja/validation.php
@@ -0,0 +1,5 @@
+<?php
+
+return [
+    'valid_disk' => '：attribute用に構成されたアップロードディスクは存在しません。',
+];