Realm - module file was created by an older version of compiler

Question

I use latest version of xcode and swift 2.2. One of my projects, which I havent open for several month now not building, because of error module file was created by a

Answer 1

Can you try the following?

• Delete derived data
• Clean the build folder (click on Xcode's Product menu while holding down the Option key, and choose the Clean Build Folder menu item)

Sometimes simply performing a clean build isn't sufficient to flush the invalid intermediate products or cached data.