two options if continued rejection. print and mail form 4868 and state extension, if required. they must be postmarked by midnight on the due date. The IRS has a website where you can file your extension
https://www.irs.gov/forms-pubs/extension-of-time-to-file-your-tax-return
if you owe you can use IRS direct pay to make payment which gives you an automatic federal extension
https://directpay.irs.gov/directpay/payment?execution=e1s1
for reason select extension.
state extension requirements are different
