2023-11-14 14:30:01.19496212.0MbinfoCronjob execution started. PID: 2980315
2023-11-14 14:30:01.19919812.0MbinfoThere are 7862 records in the RD queue.
2023-11-14 14:30:01.21777712.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-14 14:30:01.22850212.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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