Can you please help me, I was rejected twice and I was finally able to to obtain the requested agi from last year and it was still rejected please assist because help me?

If the IRS continues to reject your tax return for the 2017 AGI, even though the AGI is correct, then try entering a 0 (zero) for the 2017 AGI.  If the IRS still rejects the tax return for AGI, then you will have to print and mail your 2018 tax return.

See this TurboTax support FAQ for the procedure to print 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/01/26258

How to correct the AGI

https://ttlc.intuit.com/community/agi/help/where-do-i-correct-my-agi-in-turbotax-online/00/26311

When did you file 2017? If it was late in the year try putting in zero for the AGI and see
https://ttlc.intuit.com/replies/5595742

If you can't get it to efile you will have to print and mail it.