2023-11-08 22:30:01.16233914.0MbinfoCronjob execution started. PID: 2092530
2023-11-08 22:30:01.17105214.0MbinfoThere are 7862 records in the RD queue.
2023-11-08 22:30:01.19084614.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-08 22:30:01.20796714.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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