2023-10-28 21:45:01.16080912.0MbinfoCronjob execution started. PID: 620554
2023-10-28 21:45:01.16472612.0MbinfoThere are 7862 records in the RD queue.
2023-10-28 21:45:01.18616712.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-28 21:45:01.19928512.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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