help ?, Arvixe and error 500 in chrome console

help ?, Arvixe and error 500 in chrome console.

I need help.

arvixe not give me solution.

I have the following error and there is no solution

the error is:

in the chrome console:

refresh the page once

Failed to load resource: the server responded with a status of 500 (Internal Server Error) http://www.notwall.com/cache/js/default/elgg.1359686193.js
Failed to load resource: the server responded with a status of 500 (Internal Server Error) http://www.notwall.com/cache/js/default/notifier/notifier.1359686193.js
Uncaught ReferenceError: elgg is not defined ui.river.js:1
Uncaught ReferenceError: elgg is not defined ajax.1359686193.js:1
Uncaught ReferenceError: elgg is not defined base.1359686193.js:1
Uncaught ReferenceError: elgg is not defined activity:39
Uncaught ReferenceError: elgg is not defined developers.js:2

Uncaught ReferenceError: elgg is not defined autocomplete.1359686193.js:1

 

refresh the page once again

Uncaught ReferenceError: elgg is not defined notifier.1359686780.js:12
Uncaught ReferenceError: elgg is not defined ajax.1359686780.js:1
Uncaught ReferenceError: elgg is not defined all:37
Uncaught ReferenceError: elgg is not defined developers.js:2
Uncaught ReferenceError: elgg is not defined autocomplete.1359686780.js:1 


and so on
y asi sucesivamente