@avery0522 wrote:
My taxes were rejected because someone else filed child
Then you will have to print and mail the 2020 federal tax return to the IRS, it cannot be e-filed. You still claim the child as your dependent on the tax return. The IRS will send you any tax refund shown on the tax return. Within a year the IRS will send you and the other party a notices to investigate this issue. The losing party in the investigation has to pay back any refund associated with the dependent along with other penalties and interest.
See this TurboTax support FAQ for printing a tax return for mailing when using the online editions - https://ttlc.intuit.com/community/printing/help/how-do-i-print-and-mail-my-return-in-turbotax-online...
