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License Activation Errors and Warnings

Using Kendo UI for Vue without a license or with an invalid license causes specific license warnings and errors. This article defines what an invalid license is, explains what is causing it, and describes the related license warnings and errors.

Invalid License

An invalid license can be caused by any of the following:

  • Using an expired subscription license—subscription licenses expire at the end of the subscription term.
  • Using an expired trial license.
  • A missing license for Kendo UI for Vue.
  • Not installing a license key in your application.
  • Not updating the license key after renewing your Kendo UI for Vue license.
  • Cached old (expired) license key.

License Warnings

If you use Kendo UI for Vue in a project with an expired or missing license, the UI components exhibit the following invalid license attributes:

  • A watermark appears over a number of selected components.
  • A banner is rendered on pages that use the Kendo UI for Vue components.
  • A warning message is logged in the browser console of pages rendering the Kendo UI for Vue components.

Watermark

A watermark appearing in the Light Theme mode:

Kendo UI for Vue - Grid with a watermark - Light theme

A watermark appearing in the Dark Theme mode:

Kendo UI for Vue - Grid with a watermark - Dark theme

A banner appears on pages that use unlicensed Kendo UI for Vue components:

Kendo UI for Vue - Invalid License Banner

  • Clicking the ? button of the banner takes you to the Kendo UI for Vue licensing documentation.
  • Clicking the x button of the banner closes it until the page is reloaded or a license is activated.

Console Warning

A warning message similar to the following is logged in the browser's console:

Kendo UI for Vue - Console Warning for a missing or invalid license

License Activation Errors

If you use Kendo UI for Vue in a project with an expired or missing license, the kendo-ui-license activate command will indicate the following errors or conditions:

Error or ConditionMessage CodeSolution
No license key is detectedTKL002Install a license key to activate the UI components and remove the error message.
Invalid license keyTKL003Download a new license key and install it to activate the Kendo UI for Vue components and remove the error message.
Your subscription license has expired.TKL103, TKL104Renew your subscription and download a new license key.
Your perpetual license is invalid.TKL102You are using a product version released outside the validity period of your perpetual license. To remove the error message, do either of the following:

- Renew your license, download a new license key, and install it.

- Downgrade to a product version included in your perpetual license as indicated in the message.
Your trial license has expired.TKL105Purchase a commercial license to continue using the product.
Your license is not valid for the detected product(s).TKL101Review the purchase options for the listed products.
Alternatively, remove the references to the listed packages from package.json.

See Also