AR2210 is the Arkansas Underpayment of Estimated Tax form.
This form is added by TurboTax when it appears that you did not pay at least 90% of your Arkansas tax due and when the tax due is larger than $1,000.
TurboTax tries to apply a number of exceptions (the two listed above are not exhaustive), then completes the form to see if you owe any penalty for the underpayment of your Arkansas state tax.
I do not know why this form would prevent you from e-filing, since it is available on all platforms. Are you using either the CD/Windows or Mac software? Be sure that you have updated it before trying to re-efile.
Otherwise, please give us any error message associated with this "its causing me not to e-file?"
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