2023-11-12 15:30:01.17029312.0MbinfoCronjob execution started. PID: 2711326
2023-11-12 15:30:01.17571912.0MbinfoThere are 7862 records in the RD queue.
2023-11-12 15:30:01.18887812.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-12 15:30:01.20851712.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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