2023-11-15 19:30:01.16171012.0MbinfoCronjob execution started. PID: 3150918
2023-11-15 19:30:01.17125512.0MbinfoThere are 7862 records in the RD queue.
2023-11-15 19:30:01.19273212.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-15 19:30:01.20624512.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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