2023-10-13 05:49:01.15695914.0MbinfoCronjob execution started. PID: 121606
2023-10-13 05:49:01.16106314.0MbinfoThere are 7862 records in the RD queue.
2023-10-13 05:49:01.17678614.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-13 05:49:01.18623014.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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