There is some error when i run the project

Development Platform & Builds Mobile
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1

how can i make these error disappear?

The Android SDK command ‘-s emulator-5554 shell getprop ro.build.version.release’ failed to run. Return code: 1, Error: error: closed

The Android SDK command ‘-s emulator-5572 shell getprop ro.build.version.release’ failed to run. Return code: 1, Error: error: closed

The Android SDK command ‘-s emulator-5570 shell getprop ro.build.version.release’ failed to run. Return code: 1, Error: error: closed

The Android SDK command ‘-s emulator-5568 shell getprop ro.build.version.release’ failed to run. Return code: 1, Error: error: closed