2023-10-14 14:19:01.15779914.0MbinfoCronjob execution started. PID: 127657
2023-10-14 14:19:01.16225714.0MbinfoThere are 7862 records in the RD queue.
2023-10-14 14:19:01.18376314.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-14 14:19:01.19380014.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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