docs(licensing): adjust licensing table (#670)

Author: P1l3T0

licensing/license-errors-warnings.md

@@ -27,16 +27,17 @@ An invalid license can be caused by any of the following:
 When using Telerik UI for ASP.NET AJAX in a project with an expired or missing license, the `Telerik.Licensing` build task will indicate the following errors:
 
 
-| Error or Condition |	Solution |
-| --- | --- |
-| `No license key is detected` |	[Set up a license key]({%slug licensing/license-key%}) to activate the UI controls and remove the error message. |
-| `Invalid license key` |	[Download a new license key]({%slug licensing/license-key%}#downloading-the-license-key) and use it to activate the UI controls and remove the error message. |
-| `Your subscription license has expired.` |	Renew your subscription and [download a new license key]({%slug licensing/license-key%}#downloading-the-license-key). |
-| `Your perpetual license is invalid.` |	You 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, then download a new license key and use it to activate the controls. |
-| | - Downgrade to a product version included in your perpetual license as indicated in the message. |
-| `Your trial license has expired.` |	Purchase a commercial license to continue using the product. |
-| `Your license is not valid for the detected product(s).` |	Review the purchase options for the listed products. Alternatively, remove the references to the listed packages from `package.json`. |
+| Error or Condition                                       |Message Code       | Solution                                                                                                                                                      |
+| -------------------------------------------------------- |------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `No license key is detected`                             |`TKL002`           | [Set up a license key]({%slug licensing/license-key%}) to activate the UI controls and remove the error message.                                              |
+| `Invalid license key`                                    |`TKL003`           | [Download a new license key]({%slug licensing/license-key%}#downloading-the-license-key) and use it to activate the UI controls and remove the error message. |
+| `Your subscription license has expired.`                 |`TKL103`, `TKL104` | Renew your subscription and [download a new license key]({%slug licensing/license-key%}#downloading-the-license-key).                                         |
+| `Your perpetual license is invalid.`                     |`TKL102`           | You 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, then download a new license key and use it to activate the controls.                                                                    |
+|                                                          |                   | - Downgrade to a product version included in your perpetual license as indicated in the message.                                                              |
+| `Your trial license has expired.`                        |`TKL105`           | Purchase a commercial license to continue using the product.                                                                                                  |
+| `Your license is not valid for the detected product(s).` |`TKL101`           | Review the purchase options for the listed products. Alternatively, remove the references to the listed packages from `package.json`.                         |
+
 
 ## See Also