This thread is resolved. Here is a description of the problem and solution.
Problem: WPML setup does not go past Translation Languages stage, and when I click Next, it returns to the same page (step 2).
Solution: Please follow below steps:
=== Please backup your database and website ===
1. Temporary disable memcache option from ‘SG Optimizer’ plugin. 2. Complete WPML configuration steps. 3. Now you can enable memcache option from ‘SG Optimizer’ plugin.
This is the technical support forum for WPML - the multilingual WordPress plugin.