"Uncaught Invalid Chrome Web Store item URL" while inline installation of chrome extension

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chrome

Chromium

web_development

I have created an chrome extension and also published it to tester group on chrome web store. When I am trying to load(add) the extension from my site, getting error as

"Uncaught Invalid Chrome Web Store item URL."

on method
"Installer.prototype.install = function(url, onSuccess, onFailure)"

in webstore javascript file(provide by chrome to install extension on browser).I have done to install extension by inline installation which is approached by chrome. I have verified the "url" on inline installation by browser address space which is properly getting the extension location on chrome web store. I am not able to find the problem, please help me to come out of this.I would appreciate in advance.