--- title: "One Click Multi DRM troubleshooting" slug: "multidrm-troubleshoot" updated: 2026-09-17T09:22:39Z published: 2026-09-17T09:22:39Z canonical: "guide.ncloud-docs.com/multidrm-troubleshoot" stale: true --- > ## Documentation Index > Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # One Click Multi DRM troubleshooting Available in Classic and VPC You might run into the following problems when using One Click Multi DRM. Find out causes and possible solutions. ## DRM token error I received the error message stating that the DRM token is invalid. #### Cause This error may occur if you have incorrectly set the X-DRM-TOKEN information. #### Solution Check the x-drm-token header information in the [Licensing Widevine/PlayReady](https://api.ncloud-docs.com/docs/en/license-request) to ensure that the X-DRM-Token is created correctly. ## Unsubscription from One Click Multi DRM I cannot find a way to unsubscribe from One Click Multi DRM. #### Cause and solution Disabling the DRM licensing for all registered sites will complete the unsubscription process. For more details on how to disable licensing, see [Enable and disable DRM](/docs/en/multidrm-site-manage#DRM%ED%99%9C%EC%84%B1%ED%99%94%EB%B0%8F%EB%B9%84%ED%99%9C%EC%84%B1%ED%99%94). ## Authentication error A 401 error occurs when calling the APIs. Error code 200 is returned. #### Cause This error may occur if you have incorrectly set the authentication information. #### Solution See [API call errors](/docs/en/apigw-troubleshoot-common#API%ED%98%B8%EC%B6%9C%EC%98%A4%EB%A5%98) to ensure you have entered the correct authentication information. ## Learning resources We offer various materials for you to explore. To learn more about One Click Multi DRM, check out these helpful links: - FAQs: [One Click Multi DRM FAQs](https://www.ncloud.com/support/faq/prod?categoryCode2=MEDIA&categoryCode3=SV_0239&page=1) - API errors: [One Click Multi DRM error code](https://api.ncloud-docs.com/docs/en/one-click-multi-drm-error-code) - DoveRunner (formerly PallyCon) website: [license related error code](https://pallycon.com/docs/en/ko/multidrm/license/license-errorcode/) - NAVER Cloud Platform blog: [how to stream live streaming in 6 steps](https://blog.naver.com/n_cloudplatform/222493527661?trackingCode=blog_bloghome_searchlist) - NAVER Cloud Platform blog: [One Click Multi DRM service is now available to protect the copyright of your content](https://blog.naver.com/n_cloudplatform/223278906151?trackingCode=blog_bloghome_searchlist) Note If you're still having trouble finding what you need, click on the feedback icon and send us your thoughts and requests. We'll use your feedback to improve this guide.