> For the complete documentation index, see [llms.txt](https://docs.yaycommerce.com/manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yaycommerce.com/manual/troubleshooting/unable-to-activate-license-key-or-save-plugin-settings.md).

# Unable to activate license key or save plugin settings

#### What the issue looks like:

<figure><img src="https://531911576-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgvGH02KTzJxZtV7Vz1YU%2Fuploads%2FjPSagRcpEHo8Hoxi7FGV%2Factivation%20failed.png?alt=media&amp;token=d24395ff-a65b-472e-9734-e085b116db54" alt=""><figcaption></figcaption></figure>

#### The possible cause:

If the site has a plugin like **JWT Auth** activated, it might be preventing YayCommerce plugin's update requests.

<figure><img src="https://531911576-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgvGH02KTzJxZtV7Vz1YU%2Fuploads%2FsbOQ7HzsCFKAAb9R203n%2FJWT%20Auth.png?alt=media&amp;token=e7ddf362-df40-4e52-b525-178d525dd211" alt=""><figcaption></figcaption></figure>

#### How to fix it:

[Download this plugin](https://drive.google.com/open?id=1YD92hPTrLwN_ek1FFFSJjvXPb3CoYOJN\&usp=drive_fs), install and activate it on your site to whitelist YayCommerce requests.

<figure><img src="https://531911576-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgvGH02KTzJxZtV7Vz1YU%2Fuploads%2F3BwCCplcH7fquetnHT7W%2Fauth%20whitelist%20YayCommerce.png?alt=media&amp;token=f8357672-b391-427a-b356-21d403fe0f52" alt=""><figcaption></figcaption></figure>

Alternatively, you can also contact the [other JWT plugin](https://wordpress.org/plugins/search/jwt+auth/) team for support.