2023-10-12 19:19:01.15739214.0MbinfoCronjob execution started. PID: 120202
2023-10-12 19:19:01.16147514.0MbinfoThere are 7862 records in the RD queue.
2023-10-12 19:19:01.17674014.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-12 19:19:01.18641914.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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