Joomla, fixing backend article editor

We have a problem with my article editor, We are not so sure what exactly happened and that is why we need someone with a Joomla knowledge and database skills. Every time we click on the article editor we are getting a wired screen instead of the regular page available. We need that fixed asap Please refer to the image to see exactly what the error looks like Only bid if you think you have the ability to fix it We will choose the most price and review attractive price.