2023-11-12 11:30:01.16288312.0MbinfoCronjob execution started. PID: 2688794
2023-11-12 11:30:01.16707312.0MbinfoThere are 7862 records in the RD queue.
2023-11-12 11:30:01.18421412.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-12 11:30:01.19437712.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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