2023-11-21 08:00:01.15805612.0MbinfoCronjob execution started. PID: 3869225
2023-11-21 08:00:01.16230212.0MbinfoThere are 7862 records in the RD queue.
2023-11-21 08:00:01.18270812.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-21 08:00:01.19300112.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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