diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index b4d41e9a..3f92ce74 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -204,6 +204,7 @@
     <string name="dms_inbox_raven_media_suggested">おすすめ</string>
     <string name="dms_inbox_raven_media_screenshot">スクリーンショット撮影済み</string>
     <string name="dms_inbox_raven_media_cant_deliver">配信できません</string>
+    <string name="dms_inbox_error_null_count">Unseen count response is null!</string>
     <string name="dms_thread_message_hint">Message...</string>
     <string name="dms_thread_audio_hint">Press and hold to record audio</string>
     <string name="dms_thread_updating">Updating...</string>
@@ -212,6 +213,9 @@
     <string name="dms_action_leave_question">チャットを終了しますか?</string>
     <string name="dms_action_kick">キックする</string>
     <string name="dms_left_users">退出したユーザー</string>
+    <string name="dms_ERROR_INVALID_USER">Invalid user</string>
+    <string name="dms_ERROR_VIDEO_TOO_LONG">Instagram does not allow uploading videos longer than 60 secs for DM.</string>
+    <string name="dms_ERROR_AUDIO_TOO_LONG">Instagram does not allow uploading audio longer than 60 secs.</string>
     <string name="direct_download">直接ダウンロードする</string>
     <string name="direct_download_desc">投稿を直接ダウンロード！</string>
     <string name="direct_download_loading">投稿を取得中</string>
@@ -472,4 +476,7 @@
     <string name="secs">secs</string>
     <string name="mins">mins</string>
     <string name="search_giphy">Search GIPHY</string>
+    <string name="generic_null_response">Response is null!</string>
+    <string name="generic_not_ok_response">Response status is not ok!</string>
+    <string name="generic_failed_request">Request failed!</string>
 </resources>