2024-02-21 15:28:01.15815414.0MbinfoCronjob execution started. PID: 968297
2024-02-21 15:28:01.16218014.0MbinfoThere are 8144 records in the RD queue.
2024-02-21 15:28:01.18450914.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2024-02-21 15:28:01.19810614.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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