2023-10-23 04:49:01.17547712.0MbinfoCronjob execution started. PID: 159572
2023-10-23 04:49:01.17950712.0MbinfoThere are 7862 records in the RD queue.
2023-10-23 04:49:01.19729312.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-23 04:49:01.20728312.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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