Remove erroneous error handling. This code seems to expect any LADA validation results coming along with an HTTP status not indicating success, which should not happen. Instead, Ext.JSON.decode() failed because of the non-JSON responseText resulting from other errors.

# use glob syntax.
syntax: glob
doc
css
gfx
build
extjs
*.orig
*.jse
*.rej
*/.*
*.swp
ext-*/
resources/
# switch to regexp syntax.
syntax: regexp