A person who, by reason of error, irrespective of the nature of said error, has received a sum as a benefit under this chapter, shall either have such sum deducted from a future benefit payable to him or shall repay to the commissioner the amount which he has received. Collection shall be made in the same manner as collection of past due payment: Provided, That such collection or deduction of benefits shall be barred after the expiration of two years.
W. Va. Code § 21A-10-21