"Electronic Filing. Your return includes forms that are not approved for electronic filing at this time. Due to late tax legislation approved by Congress, the IRS is in the process of updating the affected forms. The following forms are currently not available for electronic filing: 1040A, W2-G, Schedule A, Schedule C, Schedule C-EZ, Schedule D, Schedule E, Schedule F, Schedule R, Schedule SE, 982, 1040-ES, 1116, 2106, 2106-EZ, 2120, 2210, 2439, 3800, 3903, 4562, 4797, 5405, 5695, 6251, 8379, 8396, 8815, 8880, 8910, 8917, 8941, and 8949."
Thanks, Congress!