2023-10-21 20:49:01.15746112.0MbinfoCronjob execution started. PID: 154570
2023-10-21 20:49:01.16260112.0MbinfoThere are 7862 records in the RD queue.
2023-10-21 20:49:01.17751412.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-21 20:49:01.18778912.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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