title: why am i getting this error "Received status code 401 from server: Unauthorized"?
body: <h2>this is the probleme</h2>
  <p>Could not GET 'https://jitpack.io/com/github/badoualy/datepicker-line/c6dcd05737/datepicker-line-c6dcd05737.pom'. Received status code 401 from server: Unauthorized
  Disable Gradle 'offline mode' and sync project</p>
  <h2>this is my gradle</h2>
  <pre><code> allprojects {
          repositories {
              google()
              maven {   url &quot;https://maven.google.com&quot;   }
              maven { url &quot;https://jitpack.io&quot; }
  
              mavenCentral() // jcenter() works as well because it pulls from Maven Central
              jcenter()
          }
  dependencies {
  
      implementation 'com.github.badoualy:datepicker-line:c6dcd05737'
      implementation 'com.github.User:Repo:Tag'
      implementation 'com.github.mybringback22:HorizontalCalendarView-Android-:0.1.0'
      //noinspection GradleCompatible
      implementation 'com.android.support:design:27.1.1'
      //vardView
      implementation &quot;androidx.cardview:cardview:1.0.0&quot;
      //ViewPager
      implementation 'androidx.viewpager:viewpager:1.0.0'
      //RecyclerView
      implementation 'androidx.recyclerview:recyclerview:1.1.0'
      //FloatButton
      implementation 'com.getbase:floatingactionbutton:1.10.1'
  
      implementation &quot;org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version&quot;
      implementation 'androidx.core:core-ktx:1.3.2'
      implementation 'androidx.appcompat:appcompat:1.2.0'
      implementation 'com.google.android.material:material:1.3.0'
      implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
      implementation 'androidx.legacy:legacy-support-v4:1.0.0'
      implementation 'com.google.firebase:firebase-database:19.2.1'
      implementation 'com.google.firebase:firebase-auth:20.0.3'
      implementation 'androidx.navigation:navigation-fragment:2.3.4'
      implementation 'androidx.navigation:navigation-ui:2.3.4'
      implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.0'
      implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.0'
      implementation 'androidx.navigation:navigation-fragment-ktx:2.3.4'
      implementation 'androidx.navigation:navigation-ui-ktx:2.3.4'
      testImplementation 'junit:junit:4.+'
      androidTestImplementation 'androidx.test.ext:junit:1.1.2'
      androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
      implementation 'com.google.android.material:material:1.0.0'
      implementation 'com.google.firebase:firebase-database:19.7.0'
      implementation platform('com.google.firebase:firebase-bom:26.8.0')
      implementation 'com.google.firebase:firebase-analytics-ktx'
  
      implementation 'com.google.firebase:firebase-storage:19.1.0'
      implementation 'de.hdodenhof:circleimageview:2.2.0'
      // material dialogs
      def matieral_dialogs_version = &quot;3.1.0&quot;
      implementation &quot;com.afollestad.material-dialogs:core:$matieral_dialogs_version&quot;
      implementation &quot;com.google.android.gms:play-services-location:17.0.0&quot;
      implementation 'com.aurelhubert:ahbottomnavigation:2.3.4'
  
  
      implementation 'com.sothree.slidinguppanel:library:3.4.0'
      implementation 'com.sothree.slidinguppanel:library:3.4.0'
      implementation 'np.com.susanthapa.curved_bottom_navigation:curved_bottom_navigation:0.6.3'
  
      implementation('com.alibaba.android:ultraviewpager:1.0.7.7@aar') {
          transitive = true
      }
  
  
      // Material Dialog Library
      implementation 'dev.shreyaspatil.MaterialDialog:MaterialDialog:2.1.1'
  
      // Material Design Library
      implementation 'com.google.android.material:material:1.0.0'
  
      // Lottie Animation Library
      implementation 'com.airbnb.android:lottie:3.3.6'
      //menu item
      implementation 'com.nightonke:boommenu:2.1.1'
      implementation 'com.squareup.picasso:picasso:2.71828'
      implementation 'com.google.zxing:core:3.4.0'
      implementation 'com.journeyapps:zxing-android-embedded:4.2.0'
      implementation 'androidx.appcompat:appcompat:1.0.2'
  
      implementation 'com.google.code.gson:gson:2.8.5'
      implementation 'androidmads.library.qrgenearator:QRGenearator:1.0.3'
      implementation 'com.firebaseui:firebase-ui-storage:3.2.2'
  
      implementation 'com.github.bumptech.glide:glide:4.8.0'
      annotationProcessor 'com.github.bumptech.glide:compiler:4.8.0'
  
  }
  </code></pre>
  <h2>this is what i get when i enter in the link</h2>
  <p><a href="https://i.stack.imgur.com/mmA4o.png" rel="nofollow noreferrer">enter image description here</a></p>