Failed to parse refs/heads/master:.asf.yaml in maven-resolver-ant-tasks.git!

[Apache Infrastructure]

while scanning a simple key
  in "<byte string>", line 11, column 1:
    <<<<<<< HEAD
    ^
could not find expected ':'
  in "<byte string>", line 12, column 22:
      del_branch_on_merge: true
                         ^