Describes the cause and action for error messages.
Error Message(English)：
pull request do not merge
incubator/how-to.md at master ・ IBM/incubator ・ GitHub
https://github.com/IBM/incubator/blob/master/how-to.md
wallabag/RELEASE_PROCESS.md at master ・ wallabag ... - GitHub
https://github.com/wallabag/wallabag/blob/master/RELEASE_PROCESS.md
Beam Committer Guide
https://beam.apache.org/contribute/committer-guide/
Apache BookKeeper? - Contributing to Apache BookKeeper
https://bookkeeper.apache.org/community/contributing/
Beam Contribution Guide - ApacheCN
http://beam.apachecn.org/contribute/contribution-guide/