title: Errors with in gradle values
body: <p>I've just started creating an app on Android Studio 2020.3.1 but I'm getting errors when I'm trying to run my project. Here are the messages:
  C:\ProjectName.grade\7.0.2\cahes\transforms-3\5e5271a4b35cca1894a2e...\transformed\core-1.0.0-alpha03\res\values\values.xml:3:4: Invalid  for given ressource value.
  C:\ProjectName.grade\7.0.2\cahes\transforms-3\1634900783fa4c0732e67...\transformed\appcompat-1-2-0\res\values\values.xml:20:4: Invalid  for given ressource value.
  C:\ProjectName.grade\7.0.2\cahes\transforms-3\1634900783fa4c0732e67...\transformed\appcompat-1-2-0\res\values\values.xml:58:4: Invalid  for given ressource value.</p>
  <p>Execution failed for task ':app:mergeDebugRessources'.</p>
  <blockquote>
  <p>A failure occurred while executing com.android.build.gradle.inteenal.res'RessourceCompileRunnable
  Ressource compilation failed.</p>
  </blockquote>
  <p>My gradle file:
  dependencies {</p>
  <pre><code>implementation 'androidx.constraintlayout:2?1.3'
  
  implementation 'com.google.android.material:material1.5.0'
  
  implementation 'androidx.navigation: navigation-fragment:2.5.0-alpha01'
  
  implementation 'androidx.navigation:navigation-ui:2.5.0-alpha01'
  
  testImplementation 'junit:junit:'
  
  androidTestImplelentation 'android.test.ext:junit:1.1.3'
   
  androidTestImplelentation 'androidx.test.espresso:espresso-core:3.4.0'
  </code></pre>
  <p>}
  I've tried invalidate caches didn't work
  I've also deleted.gradle/caches manually but after android download all the required files I'm still getting the same error.
  Please help me!!</p>