2023-11-08 21:00:01.16117514.0MbinfoCronjob execution started. PID: 2084733
2023-11-08 21:00:01.16541914.0MbinfoThere are 7862 records in the RD queue.
2023-11-08 21:00:01.18700514.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-08 21:00:01.20103414.0MbinfoCronjob execution ended.

A transaction has been started but never closed

Most likely another error was already logged in the server logs.