I've managed to add a sidebar to a testingpage, however it brings the site out of balance.
Meaning the added left sidebar is at the correct position, the main content starts after the last widget of the left sidebar and the right sidebar starts at the end of the last post??
This is the link where I made the testpage:
What am I doing wrong?
[duplicate: http://wordpress.org/support/topic/trouble-adding-sidebar?replies=1 - please start only one topic per problem; and continue with your original thread and add more details there, if nesccessary - this topic is closed]