2023-10-11 15:20:01.16521014.0MbinfoCronjob execution started. PID: 115757
2023-10-11 15:20:01.16958314.0MbinfoThere are 7862 records in the RD queue.
2023-10-11 15:20:01.18411414.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-11 15:20:01.19926414.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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