2023-11-23 16:00:01.15945112.0MbinfoCronjob execution started. PID: 17782
2023-11-23 16:00:01.16360512.0MbinfoThere are 7862 records in the RD queue.
2023-11-23 16:00:01.17857612.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-23 16:00:01.18915212.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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