to determine the following: (1) The frequency by which the Department of Veterans Affairs makes an error that results in a payment to a person by virtue of such person's participation in a benefits program administered by the Secretary that such person is not entitled to or in an amount that exceeds the amount to which the person is entitled. (2) Whether and to what degree vacant positions in the Veterans Benefits Administration affect such errors. (e) Plan Not later than 180 days after the date of the enactment of this Act, the Secretary shall submit to the Committee on Veterans' Affairs of the Senate and the Committee on Veterans' Affairs of the House of Representatives a plan and description of resource requirements necessary to align information technology systems to ensure that errors described in subsection (d)(1) are not the result of communication or absence of communication between information technology systems.