2023-10-29 18:30:01.15924112.0MbinfoCronjob execution started. PID: 733889
2023-10-29 18:30:01.16300012.0MbinfoThere are 7862 records in the RD queue.
2023-10-29 18:30:01.18809112.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-29 18:30:01.19868312.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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