2023-10-21 04:49:01.15600212.0MbinfoCronjob execution started. PID: 152000
2023-10-21 04:49:01.16030012.0MbinfoThere are 7862 records in the RD queue.
2023-10-21 04:49:01.17595912.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-21 04:49:01.18610312.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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