Runtime Error : cordova not available

when i try to submit to save data.Error throws:
Error: Uncaught (in promise): cordova_not_available
at c (http://localhost:8100/build/polyfills.js:3:19752)
at http://localhost:8100/build/polyfills.js:3:20273
at t.invokeTask (http://localhost:8100/build/polyfills.js:3:15660)
at Object.onInvokeTask (http://localhost:8100/build/vendor.js:5125:33)
at t.invokeTask (http://localhost:8100/build/polyfills.js:3:15581)
at r.runTask (http://localhost:8100/build/polyfills.js:3:10834)
at o (http://localhost:8100/build/polyfills.js:3:7894)
at e.invokeTask [as invoke] (http://localhost:8100/build/polyfills.js:3:16823)
at p (http://localhost:8100/build/polyfills.js:2:27648)
at HTMLFormElement.v (http://localhost:8100/build/polyfills.js:2:27893)

Ionic Framework: 3.9.2
Ionic App Scripts: 3.2.0
Angular Core: 5.2.11
Angular Compiler CLI: 5.2.11
Node: 10.2.1
OS Platform: Windows 7
Navigator Platform: Win32
User Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36 OPR/55.0.2994.61

i installed all the plugin of cordova

Please help me out from these solution 
thanks in advance