2024-02-20 16:28:01.15874014.0MbinfoCronjob execution started. PID: 840103
2024-02-20 16:28:01.18763914.0MbinfoMoved 4 transactions from fast queue to main queue: ClientInvoice #2900000021, Document #2900000043, Order #2900000010, Service #2900000014
2024-02-20 16:28:01.19085014.0MbinfoThere are 8133 records in the RD queue.
2024-02-20 16:28:01.21134314.0MbcriticalCronjob execution stopped prematurely. Exception:The `initial currency` parameter of App\CurrencyExchange\Rates::convert is not valid (eer)
2024-02-20 16:28:01.22284714.0MbinfoCronjob execution ended.

A transaction has been started but never closed

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