2023-10-17 09:19:01.20136114.0MbinfoCronjob execution started. PID: 137981
2023-10-17 09:19:01.20548014.0MbinfoThere are 7862 records in the RD queue.
2023-10-17 09:19:01.22197214.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-17 09:19:01.23309314.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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