2023-10-30 10:30:01.18043312.0MbinfoCronjob execution started. PID: 817342
2023-10-30 10:30:01.18456512.0MbinfoThere are 7862 records in the RD queue.
2023-10-30 10:30:01.19922912.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-30 10:30:01.20927412.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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