2023-10-28 11:45:01.15866912.0MbinfoCronjob execution started. PID: 572662
2023-10-28 11:45:01.16264012.0MbinfoThere are 7862 records in the RD queue.
2023-10-28 11:45:01.18997012.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-28 11:45:01.20651712.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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