2023-10-16 21:49:01.15951314.0MbinfoCronjob execution started. PID: 135957
2023-10-16 21:49:01.16547214.0MbinfoThere are 7862 records in the RD queue.
2023-10-16 21:49:01.18134914.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-16 21:49:01.19216714.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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