2023-10-31 12:00:01.16329612.0MbinfoCronjob execution started. PID: 948518
2023-10-31 12:00:01.16753412.0MbinfoThere are 7862 records in the RD queue.
2023-10-31 12:00:01.18196212.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-31 12:00:01.19206612.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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