The posts are from 3 and 4 years ago (and questions related to different themes?
it helps, when searching, always to add the name of your theme into the search key words;
example ‘twenty eleven sidebar missing’
If I am going to get flamed for asking a support question on a support forum
it is always a bit more difficult to be new to something.
therefore: https://codex.www.ads-software.com/Forum_Welcome
the first chapter of the ‘forum rules’ ( https://codex.www.ads-software.com/Forum_Welcome#Search_First ) explains the importance of using the forum search or web search.
also, Twenty Eleven is the default theme for quite a while, so virtually all problems and questions have been asked already.
besides, you would still be burning if anybody had you ‘flamed’ for asking your question.