2023-10-21 10:19:01.15857612.0MbinfoCronjob execution started. PID: 152847
2023-10-21 10:19:01.16259112.0MbinfoThere are 7862 records in the RD queue.
2023-10-21 10:19:01.17680112.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-21 10:19:01.18678912.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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