If Illinois forms are giving you forms not available now...see the following
The Hotfix is here...but see the modification that I have following it if you've done that already:
https://ttlc.intuit.com/replies/7153000
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IF that doesn't work...
...delete the following files from the 2018 TurboTax Premier forms folder:
ilif01.1pe, ilif02.1pe. These forms are dated 12/10/18 Delete the two files ilif01.1pe, ilif02.1pe all dated 12/10/18.
location was C:\Program Files (x86)\TurboTax\Premier 2018\Forms\ili_18 for these
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(the "Premier 2018" subdirectory will be Deluxe or Home & Business if your version is one of the other ones)