Welcome to the Community!
Could you explain what this has to do with Bitbucket? (Or any other Atlassian system?)
Could you have clicked on "help with the documentation/source-control system for something" instead of "help with the something"?
Beginning on April 4th, we will be implementing push limits. This means that your push cannot be completed if it is over 3.5 GB. If you do attempt to complete a push that is over 3.5 GB, it will fail...