Cannot format cells even when there's values in them

[helpplease]

Hello, I want to format these cells. It shows the value 0 but i want 3 decimals. So for example D1, I want to see 0.080

But I came across this error
Format Cells: Object reference not set to an instance of an object.

[B_H_Akshatha_Pai]

Hey check this out

Regards

[tazunnisa.badavide (Taj)]

Hey ! This Might Solve your Problem