2023-10-29 15:30:01.16147712.0MbinfoCronjob execution started. PID: 718090
2023-10-29 15:30:01.16567412.0MbinfoThere are 7862 records in the RD queue.
2023-10-29 15:30:01.18069612.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-29 15:30:01.19057812.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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