2023-10-22 18:49:01.16077312.0MbinfoCronjob execution started. PID: 157912
2023-10-22 18:49:01.17002012.0MbinfoThere are 7862 records in the RD queue.
2023-10-22 18:49:01.18923312.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-10-22 18:49:01.20281412.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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