2023-10-15 10:19:01.15684514.0MbinfoCronjob execution started. PID: 130310
2023-10-15 10:19:01.16103114.0MbinfoThere are 7862 records in the RD queue.
2023-10-15 10:19:01.17586014.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-15 10:19:01.18610314.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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