Unfortunately, the rental server I use doesn’t provide enough logs.
The following message is recorded, is this from Slimstat?
[24-Jul-2019 14:27:08 UTC] WordPress データベースエラー: Subquery returns more than 1 row for query SELECT
[24-Jul-2019 14:17:02 UTC] WordPress データベースエラー: Subquery returns more than 1 row for query SELECT
[24-Jul-2019 14:00:12 UTC] WordPress データベースエラー: Unknown column ‘fingerprint’ in ‘field list’ for query
[24-Jul-2019 13:51:55 UTC] WordPress database error Unknown column ‘fingerprint’ in ‘field list’ for query
[24-Jul-2019 13:51:47 UTC] WordPress database error Unknown column ‘fingerprint’ in ‘field list’ for query
[24-Jul-2019 13:50:48 UTC] WordPress データベースエラー: Unknown column ‘fingerprint’ in ‘field list’ for query
[24-Jul-2019 13:46:47 UTC] WordPress データベースエラー: Unknown column ‘fingerprint’ in ‘field list’ for query
[24-Jul-2019 13:46:00 UTC] WordPress データベースエラー: Unknown column ‘fingerprint’ in ‘field list’ for query
[24-Jul-2019 13:40:09 UTC] WordPress データベースエラー: Unknown column ‘fingerprint’ in ‘field list’ for query
[24-Jul-2019 13:34:42 UTC] WordPress データベースエラー: Unknown column ‘fingerprint’ in ‘field list’ for query
[24-Jul-2019 13:34:37 UTC] WordPress データベースエラー: Unknown column ‘fingerprint’ in ‘field list’ for query
[24-Jul-2019 13:33:58 UTC] WordPress データベースエラー: Unknown column ‘fingerprint’ in ‘field list’ for query
[24-Jul-2019 13:33:37 UTC] WordPress データベースエラー: Unknown column ‘fingerprint’ in ‘field list’ for query