2023-11-20 08:30:01.16201914.0MbinfoCronjob execution started. PID: 3750622
2023-11-20 08:30:01.17157514.0MbinfoThere are 7862 records in the RD queue.
2023-11-20 08:30:01.19299014.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-20 08:30:01.20694814.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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