2023-11-01 12:30:01.16252012.0MbinfoCronjob execution started. PID: 1096525
2023-11-01 12:30:01.18962512.0MbinfoMoved 4 transactions from fast queue to main queue: ClientInvoice #2870000007, Document #2870000003, Order #2870000005, Service #2870000005
2023-11-01 12:30:01.19148312.0MbinfoThere are 7866 records in the RD queue.
2023-11-01 12:30:01.29092016.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2023-11-01 12:30:01.30074916.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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