Hello. I am building a multi-level maven modules and while running the mvn clean install command, I am getting a BUILD FAILURE ERROR
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.upgrad.proman:proman-api:jar:1.0.0-SNAPSHOT
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: io.springfox:springfox-swagger2:jar -> duplicate declaration of version 2.6.1 @ com.upgrad.proman:proman-api:[unknown-version], /home/lionel/Desktop/stub_session_1/proman/proman-api/pom.xml, line 39, column 21
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: io.springfox:springfox-swagger-ui:jar -> duplicate declaration of version 2.6.1 @ com.upgrad.proman:proman-api:[unknown-version], /home/lionel/Desktop/stub_session_1/proman/proman-api/pom.xml, line 46, column 21
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO]
[INFO] --------------------< com.upgrad.proman:proman-api >--------------------
[INFO] Building proman-api 1.0.0-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[WARNING] The POM for com.upgrad.proman:proman-service:jar:1.0.0-SNAPSHOT is missing, no dependency information available
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.747 s
[INFO] Finished at: 2020-06-21T10:35:49+05:30
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project proman-api: Could not resolve dependencies for project com.upgrad.proman:proman-api:jar:1.0.0-SNAPSHOT: Could not find artifact com.upgrad.proman:proman-service:jar:1.0.0-SNAPSHOT -> [Help 1]