[Translation from Japanese to English ] We found a serious defect that affects approximately 40% of its users in the ...

Original text

私達は今リリースしているアプリのバージョンにおいて、ユーザーの約40％に影響する重大な不具合を発見しました。
これはサーバーとクライアントを同期するときに特定の条件下において必ずアプリがクラッシュするというものです。
このサービスはクラウド型であり、サーバーとクライアントが正常に同期されている前提で正常に動作することが保証されています。
この不具合により多くのユーザーが不便を強いられ、またアプリを使用することができません。

Translation / English

We found a serious defect that affects approximately 40% of its users in the current release version of the app.
It has to do with the fact that the app crashes without a fail when the server and the client are synchronized under certain conditions.
This service is a cloud model, and is guaranteed to work correctly on the condition that the server and the client are synchronized correctly.
Because of this defect, many users are facing inconvenience and cannot use the app.

Translation / English

We found a serious bug in the currently released version of the app that affects about 40% of the users.
This bug results in the app always crashing under a specific condition when syncing between the server and the client.
This is a cloud-based service and it is guaranteed to function normally under the assumption that the server and the client are synced properly.
Many users have suffered inconvenience due to the bug and also have not been able to use the app.