can not run blynk local server i get error below at the cmd.
c:\Blynk_local>java -jar server-0.41.13.jar -datafolder \blynk
Exception in thread “main” cc.blynk.cli.UnrecognizedOptionException: Unrecognized option: -datafolder
at cc.blynk.cli.DefaultParser.handleUnknownToken(DefaultParser.java:217)
at cc.blynk.cli.DefaultParser.handleConcatenatedOptions(DefaultParser.java:489)
at cc.blynk.cli.DefaultParser.handleShortAndLongOption(DefaultParser.java:352)
at cc.blynk.cli.DefaultParser.handleToken(DefaultParser.java:132)
at cc.blynk.cli.DefaultParser.parse(DefaultParser.java:80)
at cc.blynk.server.launcher.ArgumentsParser.parse(ArgumentsParser.java:57)
at cc.blynk.server.launcher.ServerLauncher.main(ServerLauncher.java:53)