2023-11-19 11:00:01.16355614.0MbinfoCronjob execution started. PID: 3637522
2023-11-19 11:00:01.16786114.0MbinfoThere are 7862 records in the RD queue.
2023-11-19 11:00:01.18535914.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-19 11:00:01.19551414.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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