Hello ! I am a newbie here, would somebody please help me?
I am using story point estimate for the active sprint (1,2,3,5,8,13,21 story points) and based on rough calculation the total of this sprint should be at around 200SP.
Today is day 5 out of 10 working days.
I am checking my burndown chart, but why does it show flat like this?

however, the issues counted graph is shown but without guideline:

This is the detail of the ticketing:

Appreciate for your help! Thank you.
Cheers,
Krisna