Spot the error

[q_sharon]

Can you spot the error(s) in this sentence?

I tried very hard to don't make any mistakes.

:clover::clover:

[mitchiecruz]

I tried very hard not to make any mistakes. :ouch:

:ashamed:

[q_sharon]

I tried very hard not to make any mistakes. :ouch:

:ashamed:

Congratulations. You got it right. :music-smiley-7524:

:approve: