2023-10-10 20:20:01.16850314.0MbinfoCronjob execution started. PID: 112602
2023-10-10 20:20:01.17266714.0MbinfoThere are 7862 records in the RD queue.
2023-10-10 20:20:01.18822614.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-10 20:20:01.20086414.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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