2023-10-13 19:19:01.15689314.0MbinfoCronjob execution started. PID: 124605
2023-10-13 19:19:01.16096914.0MbinfoThere are 7862 records in the RD queue.
2023-10-13 19:19:01.18248714.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-13 19:19:01.19574914.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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