A new fix has been issued...IF..using the Desktop version see the following FAQ for a download fix file.
https://ttlc.intuit.com/replies/7153000
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...at #6 DO NOT open your prior 2018 tax return yet.
6) start a NEW tax file.
7) enter enough information to get it started, then go to the State taxes section and re-download & Install your Free Illinois tax sorftware.
😎 Then exit it (IF you save it make sure you give it a "Temp" filename) and then re-open your prior tax file that has Illinois in it.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
