2023-10-21 07:49:01.15230812.0MbinfoCronjob execution started. PID: 152367
2023-10-21 07:49:01.15653212.0MbinfoThere are 7862 records in the RD queue.
2023-10-21 07:49:01.17952212.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-21 07:49:01.19056312.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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