2023-10-27 18:15:01.15972712.0MbinfoCronjob execution started. PID: 481671
2023-10-27 18:15:01.16365612.0MbinfoThere are 7862 records in the RD queue.
2023-10-27 18:15:01.17871612.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-27 18:15:01.18864312.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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