2023-10-27 16:45:01.15944012.0MbinfoCronjob execution started. PID: 474104
2023-10-27 16:45:01.16557012.0MbinfoThere are 7862 records in the RD queue.
2023-10-27 16:45:01.18169912.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-27 16:45:01.19305412.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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