2023-10-18 12:19:01.17372212.0MbinfoCronjob execution started. PID: 141938
2023-10-18 12:19:01.17806912.0MbinfoThere are 7862 records in the RD queue.
2023-10-18 12:19:01.19246012.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-18 12:19:01.20405212.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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