2023-11-16 18:00:01.16178612.0MbinfoCronjob execution started. PID: 3278283
2023-11-16 18:00:01.17146412.0MbinfoThere are 7862 records in the RD queue.
2023-11-16 18:00:01.18512214.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-16 18:00:01.19530514.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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