2023-11-04 21:00:01.15907012.0MbinfoCronjob execution started. PID: 1552842
2023-11-04 21:00:01.16316212.0MbinfoThere are 7862 records in the RD queue.
2023-11-04 21:00:01.18436212.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-04 21:00:01.19818012.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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