e-file Minnesota with overrides for US treasury and agency interest

The 1099 received from brokers only account for US treasury interest and do not consider exempt federal agencies like Federal Farm Credit Bank and Federal Home Loan Bank.  Turbotax doesn't seem to have away to input this interest during the federal portion of the program.  So when transferring the exempt amount to Minnesota, Turbotax only carries over UST interest.  Therefore, during the Minnesota return I override the field to add in the extra agency interest that is exempt in Minnesota.  Now when attempting to Efile, I get rejected due to the override.  Turbotax says I need to change it on the federal return, I don't see a way to do this.  Or do I need to paper file Minnesota?  Already input credit card info and paid, don't see a way to go back and paper file now???  Advice on how to proceed?