2023-11-12 01:30:01.16518812.0MbinfoCronjob execution started. PID: 2512548
2023-11-12 01:30:01.16905912.0MbinfoThere are 7862 records in the RD queue.
2023-11-12 01:30:01.18354312.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-12 01:30:01.19457812.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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