2023-10-23 04:19:01.15625612.0MbinfoCronjob execution started. PID: 159046
2023-10-23 04:19:01.16076812.0MbinfoThere are 7862 records in the RD queue.
2023-10-23 04:19:01.17571712.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-23 04:19:01.18612512.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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