There is a bug reported into Atlassian Bug Tracker (jira.atlassian.com) that seems to be the same that you're facing:
This bug is fixed for the next SourceTree release. Could you please check if is this issue that you're facing?
Supported Platforms macOS Sourcetree has a lot to offer and, like many developer tools, finding and using it all can be a challenge, especially for a new user. Everyone might not love ...
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