.NET for Android warning XA4309

Example messages

'MultiDexMainDexList' file 'multidexcustom.keep' does not exist.

Issue

One of the specified @(MultiDexMainDexList) build items could not be found on disk.

To learn more about multidex and how it relates to Android development, see the Android documentation.

Solution

Verify that you are not declaring a @(MultiDexMainDexList) build item that does not exist.