2023-10-17 02:49:01.15819314.0MbinfoCronjob execution started. PID: 136611
2023-10-17 02:49:01.16736114.0MbinfoThere are 7862 records in the RD queue.
2023-10-17 02:49:01.18835914.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-17 02:49:01.20152714.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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