2023-10-21 13:49:01.15538612.0MbinfoCronjob execution started. PID: 153245
2023-10-21 13:49:01.15980112.0MbinfoThere are 7862 records in the RD queue.
2023-10-21 13:49:01.17668312.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-21 13:49:01.18670512.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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