2023-10-15 08:19:01.15744414.0MbinfoCronjob execution started. PID: 129873
2023-10-15 08:19:01.16132814.0MbinfoThere are 7862 records in the RD queue.
2023-10-15 08:19:01.18318714.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-15 08:19:01.19362814.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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