2023-11-07 12:30:01.16245112.0MbinfoCronjob execution started. PID: 1899140
2023-11-07 12:30:01.16667112.0MbinfoThere are 7862 records in the RD queue.
2023-11-07 12:30:01.18740812.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-07 12:30:01.19773612.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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