Could you please provide us with a little more information?
- Are you using this application in the cloud ( such as AWS, Google, Azure, etc;) a native installer (such as Windows, Linux, etc.) or a Virtual Machine?
- Which exact version of the application are you using?
- Have you installed any plugins or modified any configuration files?
- Could you provide more information about the MongoDB server and the Android application you're trying to use?
- Where are you seeing the "master key is invalid" message?
Thank you for your kind cooperation.