[Problem] Program type already present: org.intellij.lang.annotations.Identifier [Root Cause] Normally, it's caused by duplicated between below and some libraries. implementation 'org.jetbrains:annotations-java5:15.0' [Solution] https://stackoverflow.com/questions/49811851/program-type-already-present-org-intellij-lang-annotations-flow configurations { cleanedAnnotations compile.exclude group: '..