Ticker data always returns ticker data: [{"msg":"hb","task":"hb","ak":"nk"}] no matter which scrip is subscribed also orders are not getting placed it returns AG8001 invalid token error

@admin I am able to get data for reliance using
String strWatchListScript = "nse_cm|2885";
String task = "mw";

but not able to subscribe to Nifty or banknifty index
I used
String strWatchListScript = "nse_cm|26000";
String task = "mw";

aslo tried sending taks as "sfi"
I am using Java SDK please help me get index and fno tick data.

Add following dependency to your maven project or download jar and add to class path

<dependency>
<groupId>com.warrenstrange</groupId>
<artifactId>googleauth</artifactId>
<version>1.4.0</version>
</dependency>

then add follwoing code

GoogleAuthenticator gAuth = new GoogleAuthenticator();
var totpcode = String.valueOf(gAuth.getTotpPassword(totp_key));

pass this totpcode to method