2023-10-17 17:49:01.18221914.0MbinfoCronjob execution started. PID: 139341
2023-10-17 17:49:01.18660314.0MbinfoThere are 7862 records in the RD queue.
2023-10-17 17:49:01.20651714.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-17 17:49:01.21868414.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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