2024-02-21 18:28:01.16163114.0MbinfoCronjob execution started. PID: 990516
2024-02-21 18:28:01.16574414.0MbinfoThere are 8152 records in the RD queue.
2024-02-21 18:28:01.18893014.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2024-02-21 18:28:01.20275214.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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