2024-02-20 15:28:01.15266314.0MbinfoCronjob execution started. PID: 833610
2024-02-20 15:28:01.16243414.0MbinfoThere are 8129 records in the RD queue.
2024-02-20 15:28:01.18382314.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2024-02-20 15:28:01.19745414.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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