2023-10-11 07:50:01.16269714.0MbinfoCronjob execution started. PID: 114541
2023-10-11 07:50:01.16726514.0MbinfoThere are 7862 records in the RD queue.
2023-10-11 07:50:01.18559714.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-11 07:50:01.19552714.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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