2024-02-21 04:58:01.15923514.0MbinfoCronjob execution started. PID: 899973
2024-02-21 04:58:01.16336914.0MbinfoThere are 8137 records in the RD queue.
2024-02-21 04:58:01.18578714.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2024-02-21 04:58:01.19709914.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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