[1] Time formatting and storage bugs - Wikipedia, 2023-11-24T03:13:21.000Z, 2023-11-25T07:44:35.966Z https://en.wikipedia.org/wiki/Time_formatting_and_storage_bugs#Year_2048

The capacity planning logic in the ERP system SAP S/4HANA supports only finish dates up to 19 January 2048, (24,855 days from 1 January 1980). This concerns e.g. the production, maintenance and inspection planning.

[2] >>1 この説明だけだとよくわからないですけど、

です。