What is the ruling on the prayer of a girl who reached puberty and was unaware of the obligation to perform ghusl after menstruation, and must she make up the prayers she performed unknowingly?

A Muslim must learn the rulings of Sharia (definition) that are necessary for them, such as knowing the rulings of purity and prayer, and knowing Allah's Oneness (Tawhid (definition)) and its nullifiers. Parents must teach this to their children. One who was ignorant of the rulings of purity and prayed without proper purification due to their ignorance, there is no sin upon them, and they are not required to make up those prayers, because Allah has forgiven error and forgetfulness. And because, "And We would not punish until We had sent a messenger." (Qur’an 17:15). One who has not received the messenger's command regarding a specific matter is not bound by its ruling of obligation. An example of this is a woman with irregular bleeding who did not pray because she believed it was not obligatory; she is not required to make up those prayers.