Error In `getfilecallback`. Params Is Not Defined

This last week when trying to add images to block or products, I can't get the file browser to select files without this error message. I don't know if this is an issue with the last update I did last week, or a problem with the migration of my website to a new server. Any ideas?

After several days of just waiting to see if anything changes, I tried again tonight to add images. This time I tried to change my banners. I am not getting any error messages, but the images selected are not actually being applied, even when it says the image has been uploaded and processed, and changes saved.

Also, everything I do in the admin panel is extremely slow.

There is a bug in CS-Cart.

You must update the file js/tygh/editors/tinymce.editor.js and ~line 101 replace "params.callback(url);" with "callback(url);"