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description: This page contains guidance for troubleshooting common issues with licenses
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# Troubleshoot license issues

1. The OS, which you use, is specified in the license (Android).
2. The application ID, which you use, is specified in the license.
3. The license is valid (not expired).
4. The date and time on the device, where you run the application, are valid.
5. You use the latest release version of the Document Reader SDK.
6. You placed the license into the correct folder (`/app/src/main/res/raw`).
