2023-10-16 20:49:01.15921414.0MbinfoCronjob execution started. PID: 135835
2023-10-16 20:49:01.16427714.0MbinfoThere are 7862 records in the RD queue.
2023-10-16 20:49:01.18003714.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-16 20:49:01.19073514.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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