Facing problem while runnig command

root@itadmin-System:/home/manish/Downloads/liquibase-4.0.0# java -jar liquibase.jar --loglevel flag=new_change_liqui.sql changelogSyncSQL
Starting Liquibase at 13:21:16 (version 4.0.0 #19 built at 2020-07-13 19:45+0000)
To display the help, please pass the ‘–help’ option on the command line.
Unexpected error running Liquibase: Unknown option: ‘loglevel’
For more information, please use the --logLevel flag
Jul 22, 2020 1:21:16 PM liquibase.integration
SEVERE: Unexpected error running Liquibase: Unknown option: ‘loglevel’
liquibase.exception.CommandLineParsingException: Unknown option: ‘loglevel’
at liquibase.integration.commandline.Main.parseOptionArgument(Main.java:1077)
at liquibase.integration.commandline.Main.parseOptions(Main.java:1016)
at liquibase.integration.commandline.Main$1.run(Main.java:230)
at liquibase.integration.commandline.Main$1.run(Main.java:166)
at liquibase.Scope.child(Scope.java:170)
at liquibase.Scope.child(Scope.java:144)
at liquibase.integration.commandline.Main.run(Main.java:166)
at liquibase.integration.commandline.Main.main(Main.java:145)