Mobile module not working

After uninstalling these modules

  Articles version 1.1.4 by Boonex

  ZIP Code Search version 1.1.4 by Boonex

when ever a user wants to log in using the android mobile app it shows this

Exception unknown method [code 1]

Does anyone has idea how to fix this error?

thanks.

I tried to delete all possible modules from demo.boonex.com and I have logged in to the app without any problem using default BoonEx app for Android.

If your site is an upgrade from previous version, it maybe that not all files was overwritten during upgrade and some old files left, I would suggest to re-upload /xmlrpc/ dir it'll maybe help to resolve this problem.