Error on keyboard close

[himankbhalla]

"Error":{"type":"angular","url":"","localtime":1500443311185,"message":"Java exception was raised during method invocation","name":"Error","stack":"Error: Java exception was raised during method invocation
at Error (native)
at androidExec (localhost:12240/cordova.js:940:40)
at Function.Keyboard.close (localhost:12240/plugins/ionic-plugin-keyboard/www/android/keyboard.js:17:5)
at Object.hide (localhost:12240/32ebc259e3f2b2d56e775b629d8080926bceffdd.js?meteor_js_resource=true:129:8247)

I have seen this error quite a few times on my Cordova app but couldn't figure out exactly what's causing this keyboard.close function to throw the error. Also, the impact for the user is also not detectable.
Thank you for any help.