A major Japanese financial institution, “Japan Post Bank”, is experiencing delays in deposits from other banks due to system trouble.
https://www.jp-bank.japanpost.jp/news/2024/news_id002057.html
This page states the following
We are currently experiencing a delay in deposits from other banks due to system trouble.
We are currently working on restoring the system. We will notify you as soon as the system is restored.
We deeply apologize for any inconvenience this may cause to our customers.
What is Japan Post Bank?
Japan Post was established by privatizing the postal service, which was originally operated under government control.
Japan Post Bank is the financial arm of this organization.