title: Because app requires SDK version >=2.15.1 <3.0.0, version solving failed
body: <p>Can anyone tell me why am I getting this error?</p>
  <pre><code>The current Dart SDK version is 2.12.0.
  
  Because app requires SDK version &gt;=2.15.1 &lt;3.0.0, version solving failed.
  pub get failed (1; Because app requires SDK version &gt;=2.15.1 &lt;3.0.0, version solving failed.)
  </code></pre>
  <p>here is my flutter --version</p>
  <pre><code>Flutter 2.10.1 • channel stable • https://github.com/flutter/flutter.git
  Framework • revision db747aa133 (2 days ago) • 2022-02-09 13:57:35 -0600
  Engine • revision ab46186b24
  Tools • Dart 2.16.1 • DevTools 2.9.2
  
  </code></pre>