2023-10-31 08:30:01.16136012.0MbinfoCronjob execution started. PID: 930394
2023-10-31 08:30:01.16546112.0MbinfoThere are 7862 records in the RD queue.
2023-10-31 08:30:01.18020712.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-31 08:30:01.19181212.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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