Why can't I upfrag or downfrag anything?

I was recently suspended for 9 days due to spam, can this be the reason?

can u upfrag this?

kristof [#2]

can u upfrag this?

I can't, the thread can but the comment cannot

no1haterbutloveyou2 [#3]

I can't, the thread can but the comment cannot

its normal.once u get banned u lose ur frags

number1_ScreaM_fan [#4]

its normal.once u get banned u lose ur frags

Ohh, I see thank you!