R cannot be resolved to a variable cant clean project
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i already posted this question earlier this week, and still no luck and no answer to why im getting this. 

i cant even clean the project because i get this error:

    [2012-07-22 19:34:09 - CannonGame] W/ResourceType( 2808): Bad XML block: header size 116 or total size 0 is larger than data size 0
    [2012-07-22 19:34:09 - CannonGame] C:\Users\Gaming\workspace\CannonGame\res\menu\main.xml:2: error: Error: No resource found that matches the given name (at 'title' with value '@string/menu_settings').

someone tell me what to do! this is due tonight :/ ive been working on it all week and cant figure this out. 