Unknown grader_id

Got this error while trying to submit the code:

Submission failed : Invalid aicrowd.json : Unknown grader_id : 'forecasting-track-citylearn-challenge'.Please contact the organisers/admins for a valid grader_id for the challenge you are participating in.

Whats wrong here?

BR
Bjørn-J

Sorry I am just getting to this. @dipam_chakraborty please can you respond to this if @singstad90 is still having this issue?