As the message says, the InappBrowser cannot make calls to the underlying Cordova APIs. What are you exactly trying to do in your case?
The InAppBrowser documentation states the following.
The InAppBrowser window behaves like a standard web browser, and can't
access Cordova APIs. For this reason, the InAppBrowser is recommended
if you need to load third-party (untrusted) content, instead of
loading that into the main Cordova webview. The InAppBrowser is not
subject to the whitelist, nor is opening links in the system browser.
As the message says, the InappBrowser cannot make calls to the underlying Cordova APIs. What are you exactly trying to do in your case?
The InAppBrowser documentation states the following.
Here is the documentation link InAppBrowser Documentation