You may be affected by a Bitbucket Server bug that has just recently been resolved in release 4.11:
So if your configuration matches the issue description, an upgrade to Bitbucket Server >= 4.11 might/should solve the problem accordingly - that being said, the ongoing discussion on the related and still unresolved Bamboo issue has not yet confirmed whether that is always the case, insofar one communicated workaround for Bitbucket Server < 4.11 does not seem to work:
Hello! My name is Mark Askew and I am a Premier Support Engineer for products Bitbucket Server/Data Center, Fisheye & Crucible. Today, I want to bring the discussion that Jennifer, Matt, and ...
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