2023-11-20 15:30:01.17073612.0MbinfoCronjob execution started. PID: 3789154
2023-11-20 15:30:01.17491712.0MbinfoThere are 7862 records in the RD queue.
2023-11-20 15:30:01.18940912.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-20 15:30:01.19989912.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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