Execution failed for task ':pdf_viewer_plugin:generateReleaseRFile'

[ahsan-storm]

I am trying to create a new flutter release and while running the command flutter build apk I get the following error:

`Execution failed for task ':pdf_viewer_plugin:generateReleaseRFile'.

Could not resolve all files for configuration ':pdf_viewer_plugin:releaseCompileClasspath'. Failed to transform android-pdf-viewer-3.0.0-beta.4.aar (com.github.barteksc:android-pdf-viewer:3.0.0-beta.4) to match attributes {artifactType=android-symbol-with-package-name, org.gradle.category=library, org.gradle.libraryelements=jar, org.gradle.status=release, org.gradle.usage=java-api}. > Could not find android-pdf-viewer-3.0.0-beta.4.aar (com.github.barteksc:android-pdf-viewer:3.0.0-beta.4). Searched in the following locations: https://jcenter.bintray.com/com/github/barteksc/android-pdf-viewer/3.0.0-beta.4/android-pdf-viewer-3.0.0-beta.4.aar`