Cannot Logout from Clover Flex 3 Dev Kit

Summary Having issues with my Clover Flex 3 Dev Kit trying to make Sale/Payment, So I wanted to logout and try with another account
Environment Sandbox
Integration type
- SDK and version used: not relevant
Your request & expected response: I want to be able to logout on my Clover Flex 3 Dev Kit
Device-specific issues:
- For device firmware version: [ro.build.version.incremental]: [5050896]
- For Clover Engine APK version: versionCode=2305 minSdk=17 targetSdk=17