2023-10-15 15:49:01.15842814.0MbinfoCronjob execution started. PID: 131451
2023-10-15 15:49:01.16245014.0MbinfoThere are 7862 records in the RD queue.
2023-10-15 15:49:01.17842114.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-15 15:49:01.18850314.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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