Installed latest version of Concrete5: Edit Blocks not executing

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Basically, am trying to customize and edit the Elemental theme but
nothing happens when I try to run the site building tools. I have used
concrete5 for two websites before.

Anyway, relying on Chrome Developer tools this is a snippet of what I get:

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jquery.js?ccm_nocache=d846f33d9148b37e63b22ff9a7339155be77a7f9:4
[Deprecation] Synchronous XMLHttpRequest on the main thread is
deprecated because of its detrimental effects to the end user's
experience. For more help, checkhttp://xhr.spec.whatwg.org/.
send @ jquery.js?ccm_nocache=d846f33d9148b37e63b22ff9a7339155be77a7f9:4
jquery.js?ccm_nocache=d846f33d9148b37e63b22ff9a7339155be77a7f9:4
Failed to load resource: the server responded with a status of 409
(Conflict)
send @ jquery.js?ccm_nocache=d846f33d9148b37e63b22ff9a7339155be77a7f9:4
jquery.js?ccm_nocache=d846f33d9148b37e63b22ff9a7339155be77a7f9:4
Uncaught SyntaxError: Unexpected token '<'
at eval (<anonymous>)
at jquery.js?ccm_nocache=d846f33d9148b37e63b22ff9a7339155be77a7f9:2
at Function.globalEval
(jquery.js?ccm_nocache=d846f33d9148b37e63b22ff9a7339155be77a7f9:2)

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I suspect it's a js scripting issue. Please help. I really would like
to just get on with it as quickly as possible