“Erratum: First-Principles Calculation of Structural, Electronic, and Optical Properties of Cubic Perovskite CsPbF3 [East European Journal Of Physics. 3. 263-270 (2023)]”, East Eur. J. Phys., no. 4, p. 390, Dec. 2023, doi: 10.26565/2312-4334-2023-4-49.