2023-10-15 16:49:01.15237914.0MbinfoCronjob execution started. PID: 131573
2023-10-15 16:49:01.15657914.0MbinfoThere are 7862 records in the RD queue.
2023-10-15 16:49:01.17185414.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-15 16:49:01.18242414.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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