2023-10-10 21:20:01.16684114.0MbinfoCronjob execution started. PID: 112724
2023-10-10 21:20:01.17119514.0MbinfoThere are 7862 records in the RD queue.
2023-10-10 21:20:01.18745714.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-10 21:20:01.20184714.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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