title: Unable to Merge
body: <p>As regular user of bitbucket never face this problem before. Created Pull Request in regular way and when trying to merge it throws error without any details about reasons. Tried for several days with gap in between and also tried in different timing. What will be the reason and how to solve it.</p>
  
  <p><a href="https://i.stack.imgur.com/w2jRs.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/w2jRs.png" alt="Pull request unable to merge"></a></p>