Gradle task assembleDebug failed with exit code 1. MinSdk version Error android Studio.#flutter

Manifest merger failed : uses-sdk:minSdkVersion 21 cannot be smaller than version 24 declared in library

Library might be using APIs not available in 21
Suggestion: use a compatible library with a minSdk of at most 21,
or increase this project's minSdk version to at least 24,

Error: Gradle task assembleDebug failed with exit code 1
#flutterproject #androidflutter
Android Error version minSDK error in flutter.