2023-10-15 19:49:01.15672414.0MbinfoCronjob execution started. PID: 131956
2023-10-15 19:49:01.16081514.0MbinfoThere are 7862 records in the RD queue.
2023-10-15 19:49:01.17708314.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-15 19:49:01.18686614.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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