2023-10-19 12:49:01.15720212.0MbinfoCronjob execution started. PID: 146150
2023-10-19 12:49:01.16094912.0MbinfoThere are 7862 records in the RD queue.
2023-10-19 12:49:01.18302312.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-19 12:49:01.19388612.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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