2023-10-27 21:45:01.15942512.0MbinfoCronjob execution started. PID: 498411
2023-10-27 21:45:01.16329612.0MbinfoThere are 7862 records in the RD queue.
2023-10-27 21:45:01.17853412.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-27 21:45:01.18863012.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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