2023-10-13 11:49:01.16069614.0MbinfoCronjob execution started. PID: 122965
2023-10-13 11:49:01.17039614.0MbinfoThere are 7862 records in the RD queue.
2023-10-13 11:49:01.19134214.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-13 11:49:01.20442214.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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