2024-02-21 02:28:01.15997514.0MbinfoCronjob execution started. PID: 888679
2024-02-21 02:28:01.16419114.0MbinfoThere are 8137 records in the RD queue.
2024-02-21 02:28:01.17928714.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2024-02-21 02:28:01.18951714.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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