Submitted a Letter of Rec with an incorrect date to my scholarships, will my application be invalid?

I asked my high school teacher for a Letter of Rec for my scholarships and she put the date as April 5, 2019. IT IS 2020 RIGHT NOW!! I just found out right now. I don’t know how I missed it when I was proofreading before submission. Some information she wrote on the recommendation is from my senior year, so it would make no sense to those who are reading the letter for the scholarship since Senior year didn’t start until August 2019. What should I do? Will there be any consequences? Will my application be invalid?