2023-11-01 11:30:01.16550812.0MbinfoCronjob execution started. PID: 1090672
2023-11-01 11:30:01.19797412.0MbinfoMoved 8 transactions from fast queue to main queue: ClientInvoice #2870000001, ClientInvoice #2870000002, ClientInvoice #2870000003, Document #2870000001, Order #2870000001, Order #2870000002, Service #2870000001, Service #2870000002
2023-11-01 11:30:01.19950212.0MbinfoThere are 7870 records in the RD queue.
2023-11-01 11:30:01.42520416.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-01 11:30:01.43920816.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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