At any stage of the litigation, a court may permit a mistake, omission, defect, or irregularity to be corrected, upon such terms as may be just. If a party's substantial right is not prejudiced, the mistake, omission, defect, or irregularity shall be disregarded.
21st Mtge. Corp. v. Rudman, NY Slip Op 00031 (2d Dep't January 5, 2022)
