Mobile SDK for Android version for E2EE

Description
What version of the SDK do I need for E2EE? I am currently on v5.2.42043.1112.

I run into the following check:

meetingStatus == meetingStatus.MEETING_STATUS_FAILED && errorCode == MeetingError.MEETING_ERROR_CLIENT_INCOMPATIBLE

Which version?
I am currently on v5.2.42043.1112
I am using Example2.