During 20Y5, the accountant discovered that the physical inventory at the end of 20Y4 had bee understated

Question:

During 20Y5, the accountant discovered that the physical inventory at the end of 20Y4 had bee understated by $42,750. Instead of correcting the error, however, the accountant assumed that the error would balance out (correct itself) in 20Y5.
Are there any flaws in the accountant's assumption? Explain.