2023-10-28 09:15:01.15891112.0MbinfoCronjob execution started. PID: 555518
2023-10-28 09:15:01.16819112.0MbinfoThere are 7862 records in the RD queue.
2023-10-28 09:15:01.18823912.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-28 09:15:01.19874312.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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