2023-11-03 21:30:01.16315312.0MbinfoCronjob execution started. PID: 1430585
2023-11-03 21:30:01.16708912.0MbinfoThere are 7862 records in the RD queue.
2023-11-03 21:30:01.18180412.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-03 21:30:01.19149912.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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