Error in module (cModule) Test (id=1) during network setup: Class "FlatNetworkConfigurator" not found - omnet++

Question

I want to run a simulation in omnet++ 4.6 and inet 4.
I made a network with a .ned file (see below) and a .ini but I get a confusing error which I can not unterstand.
test.ned
package test1;
import inet.networklayer.autorouting.ipv4.FlatNetworkConfigurator;
import inet.nodes.inet.StandardHost;
import inet.nodes.ethernet.EtherSwitch;
import inet.nodes.inet.Router;
import ned.DatarateChannel;
import inet.networklayer.autorouting.ipv4.IPv4NetworkConfigurator;
//
// TODO auto-generated type
//
network Test
{
#display("bgb=961,379");
types:
submodules:
etherHost2: StandardHost {
#display("p=89,249");
}
etherHost1: StandardHost {
#display("p=746,179");
}
etherSwitch2: EtherSwitch {
#display("p=341,233");
gates:
ethg[3];
}
etherHost3: StandardHost {
#display("p=227,333");
}
etherHost4: StandardHost {
#display("p=398,333");
}
etherSwitch3: EtherSwitch {
#display("p=528,38");
gates:
ethg[2];
}
router: Router {
#display("p=447,157");
}
router1: Router {
#display("p=206,153");
}
configurator: FlatNetworkConfigurator {
#display("p=73,87");
}
connections:
router.ethg++ <--> DatarateChannel { datarate = default(1000Mbps); } <--> etherSwitch3.ethg++;
router1.ethg++ <--> DatarateChannel { datarate = default(100Mbps); } <--> router.ethg++;
etherSwitch2.ethg[0] <--> DatarateChannel { datarate = default(100Mbps); } <--> router1.ethg++;
etherSwitch2.ethg[0] <--> DatarateChannel { datarate = default(100Mbps); } <--> etherHost2.ethg++;
etherSwitch3.ethg[0] <--> DatarateChannel { datarate = default(100Mbps); } <--> etherHost1.ethg++;
etherSwitch2.ethg[0] <--> DatarateChannel { datarate = default(100Mbps); } <--> etherHost3.ethg++;
etherSwitch2.ethg[0] <--> DatarateChannel { datarate = default(100Mbps); } <--> etherHost4.ethg++;
}
test.ini
[General]
network = Test
#configurator
*.configurator.dumpAddresses = true
*.configurator.dumpTopology = true
*.configurator.dumpLinks = true
*.configurator.dumpRoutes = true
# Routing settings
*.*.ipv4.arp.typename = "GlobalArp"
*.*.ipv4.routingTable.netmaskRoutes = ""
*.router*.tcpType="TCP"
**.etherSwitch*.relayUnitType = "MACRelayUnit" #config für Switch
**.eth[*].mac.duplexMode = true
**.eth.typename="EthernetInterface"
*.etherHost*.tcpType = "TCP_none"
*.etherHost*.udpType ="UDP"
*.etherHost*.sctpType ="SCTP"
**.eth[*].queueType = "DropTailQueue" # in routers
**.eth[*].queue.dataQueue.frameCapacity = 10 # in routers
It would be nice if someone could help me, I already tried to use the IPv4NetworkConfigurator instead of the FlatNetworkconfigurator but that did not work.
I also set inet in the settings of the project as reference.
Here is the error message

Answer 1

INET 4.0 requires OMNeT++ 5.4. If you try to use it with OMNeT++ 4.6 you can expect a ton of various errors.