2023-10-31 19:00:01.15907412.0MbinfoCronjob execution started. PID: 987443
2023-10-31 19:00:01.16798712.0MbinfoThere are 7862 records in the RD queue.
2023-10-31 19:00:01.18766512.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-31 19:00:01.19796312.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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