2023-10-12 10:19:01.16180112.0MbinfoCronjob execution started. PID: 118522
2023-10-12 10:19:01.16597712.0MbinfoThere are 7862 records in the RD queue.
2023-10-12 10:19:01.18794712.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-12 10:19:01.19788912.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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