2023-11-20 18:00:01.15976512.0MbinfoCronjob execution started. PID: 3800314
2023-11-20 18:00:01.16407612.0MbinfoThere are 7862 records in the RD queue.
2023-11-20 18:00:01.17891612.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-20 18:00:01.18913812.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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