2023-11-04 21:30:01.15839512.0MbinfoCronjob execution started. PID: 1555054
2023-11-04 21:30:01.16244112.0MbinfoThere are 7862 records in the RD queue.
2023-11-04 21:30:01.18436012.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-04 21:30:01.19824912.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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