2023-10-18 13:49:01.16209212.0MbinfoCronjob execution started. PID: 142589
2023-10-18 13:49:01.16632612.0MbinfoThere are 7862 records in the RD queue.
2023-10-18 13:49:01.18142712.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-18 13:49:01.19762712.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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