2023-10-12 16:19:01.15815014.0MbinfoCronjob execution started. PID: 119821
2023-10-12 16:19:01.16202814.0MbinfoThere are 7862 records in the RD queue.
2023-10-12 16:19:01.17777814.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-12 16:19:01.18762714.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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