Bug:Tag Autocomplete Not Working

Hi Rahul Sir ,So much thanks to you for making this great plugin.Sir I have a small issue. I enabled tag addon, added 6 sample tags. still autocomplete is not working in when i tried to add in Ask Question page every time it tell to create  the tag what we typed in input box.also when I tried to add tag thorugh Tag under Anspress i can See only Loading, when I refresh the page I can see tag been added . Please tell me what is wrong with me Thanks