Erratum to the paper ``A study on graph topology’’ (Published in Commun. Comb. Optim. 8 (2023), no. 2, 397-409.)

In this paper, we will point out errors in Theorem 2, Theorem 4, Theorem 5, Proposition 2, Proposition 3, Theorem 8, and Theorem 9  by giving suitable counterexamples. The statements of Theorem 2, Theorem 5, Proposition 2 and Proposition 3 of this paper have been reformulated and proofs are given.