As the error was carried out because of the god Indra, he grants Hanuman a wish that his entire body could well be as sturdy as Indra's Vajra, and that his Vajra can also not hurt him. Along with Indra other gods have also granted him wishes: the God Agni https://hindutemplesouthaustralia.business.blog/2024/08/08/discover-the-spiritual-haven-of-hanuman-temple-adelaide/