2023-10-16 18:49:01.15720314.0MbinfoCronjob execution started. PID: 135538
2023-10-16 18:49:01.17265114.0MbinfoThere are 7862 records in the RD queue.
2023-10-16 18:49:01.18652014.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-16 18:49:01.19763714.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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