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Upgrading from Kendo UI Core to Professional Breaks App


Service Code (AppBuilder)
Feature Package Manager
Mobile development type Hybrid (Cordova app)


When you switch between Kendo UI Core and Kendo UI Professional in your app using the Package Manager, you may lose all style and functionality. If you check the Simulator or Device console, you will see multiple error messages about missing files and, usually, a kendo is not defined error message.

Error Message

Uncaught ReferenceError: kendo is not defined.


When you change the Kendo UI package type, the Package Manager replaces the script and style files with new ones that have different names. This causes script and style references to become invalid.


You need to update the Kendo UI references in your app's index.html file. Replace the file names in the references as follows:

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