2023-10-20 11:49:01.15796812.0MbinfoCronjob execution started. PID: 149793
2023-10-20 11:49:01.16748912.0MbinfoThere are 7862 records in the RD queue.
2023-10-20 11:49:01.18829312.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-20 11:49:01.21178312.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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