2023-11-11 15:00:01.16318112.0MbinfoCronjob execution started. PID: 2459645
2023-11-11 15:00:01.16769512.0MbinfoThere are 7862 records in the RD queue.
2023-11-11 15:00:01.18195712.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-11 15:00:01.19249712.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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