Error message in mysql log

[torinfo]

On my php8/Mysql8 install I get error messages in the mysql log. As far as I can tell, I don't see these messages in the installes where I use Mariadb or Mysql 5.x.

2021-05-26T00:35:31.933624Z 8858 [ERROR] [MY-010045] [Server] Event Scheduler: [xertedb@localhost][toolkits_data.tsugi_lti_nonce_auto] Incorrect datetime value: '1621985731' for column 'created_at' at row 1