Moved from the Creative Cloud to the InDesign forum. They will be able to help you here.
Windows or Mac?
There are some Knowledgbase articles that deal with this that may help you (but without knowing the OS I can't give you links). It would also help to know the exact wording of the error message (and if you google that exact wording you'll probably come up with the articles, as well as older threads here that deal with this problem). The fix is usually fairly simple -- a licensing service patch to download or a folder to rename.