TypeError: Cannot read property 'runtime_genesis_config' of undefined

[sudipghimire533]

config json

{
	"relaychain": {
		"bin": "polkadot-v0.9.24",
		"chain": "rococo",
		"nodes": [
			{
				"name": "alice",
				"wsPort": 9944,
				"port": 30444
			},
			{
				"name": "bob",
				"wsPort": 9955,
				"port": 30555
			},
			{
				"name": "charlie",
				"wsPort": 9966,
				"port": 30666
			},
			{
				"name": "dave",
				"wsPort": 9977,
				"port": 30777
			}
		],
		"genesis": {
			"runtime": {
				"runtime_genesis_config": {
					"configuration": {
						"config": {
							"validation_upgrade_frequency": 10,
							"validation_upgrade_delay": 10
						}
					}
				}
			}
		}
	},
	"parachains": [
		{
			"bin": "collator-v0.9.24",
			"id": "2000",
			"balance": "1000000000000000000000",
			"nodes": [
				{
					"wsPort": 9988,
					"port": 31200,
					"name": "alice",
					"flags": ["--", "--execution=wasm"]
				}
			]
		},
		{
			"bin": "collator-v0.9.24",
			"id": "3000",
			"balance": "1000000000000000000000",
			"nodes": [
				{
					"wsPort": 9999,
					"port": 31300,
					"name": "alice",
					"flags": ["--", "--execution=wasm"]
				}
			]
		}
	],
	"simpleParachains": [
		{
			"bin": "collator-v0.9.24",
			"id": "4000",
			"port": "31400",
			"name": "alice",
			"balance": "1000000000000000000000"
		}
	],
	"hrmpChannels": [
		{
			"sender": 3000,
			"recipient": 2000,
			"maxCapacity": 8,
			"maxMessageSize": 512
		}
	],
	"types": {},
	"finalization": false
}

Error:

🧹 Resolving parachain id...
2022-07-19 12:01:41 Building chain spec    

Killing all processes...
/home/user/.nvm/versions/node/v16.0.0/lib/node_modules/polkadot-launch/dist/spec.js:15
    const runtimeConfig = chainSpec.genesis.runtime.runtime_genesis_config ||
                                                    ^

TypeError: Cannot read property 'runtime_genesis_config' of undefined
    at getAuthorityKeys (/home/user/.nvm/versions/node/v16.0.0/lib/node_modules/polkadot-launch/dist/spec.js:15:53)
    at clearAuthorities (/home/user/.nvm/versions/node/v16.0.0/lib/node_modules/polkadot-launch/dist/spec.js:38:16)
    at run (/home/user/.nvm/versions/node/v16.0.0/lib/node_modules/polkadot-launch/dist/runner.js:55:33)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)