Getting error while installing elastic search

Hi,

Getting below error while running ./elasticsearch.bat in win 10 machine. Kindly help

[2018-05-22T10:53:08,610][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [LAPTOP-PO1VP5I2] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.IllegalArgumentException: unknown setting [xpack.license.self_generated.type] please check that any required plugins are installed, or check the breaking changes documentation for removed settings
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:125) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:112) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) ~[elasticsearch-cli-6.2.4.jar:6.2.4]
at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:85) ~[elasticsearch-6.2.4.jar:6.2.4]
Caused by: java.lang.IllegalArgumentException: unknown setting [xpack.license.self_generated.type] please check that any required plugins are installed, or check the breaking changes documentation for removed settings
at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:346) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:310) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:284) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.common.settings.SettingsModule.(SettingsModule.java:134) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.node.Node.(Node.java:331) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.node.Node.(Node.java:246) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:213) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:213) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:323) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:121) ~[elasticsearch-6.2.4.jar:6.2.4]
... 6 more
Suppressed: java.lang.IllegalArgumentException: unknown secure setting [bootstrap.password] please check that any required plugins are installed, or check the breaking changes documentation for removed settings
at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:346) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:310) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:284) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.common.settings.SettingsModule.(SettingsModule.java:134) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.node.Node.(Node.java:331) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.node.Node.(Node.java:246) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:213) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:213) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:323) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:121) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:112) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) ~[elasticsearch-cli-6.2.4.jar:6.2.4]
at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) ~[elasticsearch-6.2.4.jar:6.2.4]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:85) ~[elasticsearch-6.2.4.jar:6.2.4]

My yml file is:

cluster.name: "my_cluster"

network.host: localhost
http.port: 9200

action.auto_create_index: .security,.monitoring*,.watches,.triggered_watches,.watcher-history*

Did you install the X-Pack plugin?

No. I restarted the instances and now its working fine.

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