2023-11-14 16:00:01.16514112.0MbinfoCronjob execution started. PID: 2989313
2023-11-14 16:00:01.16938312.0MbinfoThere are 7862 records in the RD queue.
2023-11-14 16:00:01.18492712.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-14 16:00:01.19539912.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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