My b2evolution Version: Not Entered

How to you insert a line break into your blog...when I use the <br> tag I get this...

Cannot update, please correct these errors:

* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Tag br may not contain raw character data
* Parser error: mismatched tag: br near </body>