2023-11-06 18:00:01.15971812.0MbinfoCronjob execution started. PID: 1795110
2023-11-06 18:00:01.16873512.0MbinfoThere are 7862 records in the RD queue.
2023-11-06 18:00:01.18842612.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-06 18:00:01.19961912.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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