2023-11-21 18:00:01.15545812.0MbinfoCronjob execution started. PID: 3929228
2023-11-21 18:00:01.16942912.0MbinfoMoved 1 transactions from fast queue to main queue: Balance #2840000001
2023-11-21 18:00:01.17786012.0MbinfoThere are 7863 records in the RD queue.
2023-11-21 18:00:01.24587214.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-21 18:00:01.25550114.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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