Error encountered
Unable to connect to server127.0.0.1:-1: the specified parameter is outside the range of valid values.
Parameter name: port.
Type: MongoDB.Driver.MongoConnectionException
Stack: at mangoui.comserverwiew.refreshdbs (mmogomc, timespan & data, timespan & gui, boolean throwex)
At MangoUI.ComServerView.RenderMe ()
The port numbers here are configured as follows, so there should be no problem in principle:
Every test reports such an error.
The problem is solved, because there is no user name and password, so there is no need to enter any user name and password.