2023-11-01 12:00:01.16485512.0MbinfoCronjob execution started. PID: 1093690
2023-11-01 12:00:01.17660012.0MbinfoMoved 8 transactions from fast queue to main queue: ClientInvoice #2870000004, ClientInvoice #2870000005, ClientInvoice #2870000006, Document #2870000002, Order #2870000003, Order #2870000004, Service #2870000003, Service #2870000004
2023-11-01 12:00:01.19216712.0MbinfoThere are 7870 records in the RD queue.
2023-11-01 12:00:01.38562616.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-01 12:00:01.39969916.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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