2023-11-18 10:30:01.17256914.0MbinfoCronjob execution started. PID: 3507384
2023-11-18 10:30:01.17693414.0MbinfoThere are 7862 records in the RD queue.
2023-11-18 10:30:01.19484914.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-18 10:30:01.21476214.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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