2023-10-22 22:19:01.15441212.0MbinfoCronjob execution started. PID: 158315
2023-10-22 22:19:01.15833512.0MbinfoThere are 7862 records in the RD queue.
2023-10-22 22:19:01.18125212.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-22 22:19:01.19486312.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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