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    Problem report 
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    Resolution: Fixed
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    Major 
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    5.2.6, 5.4.0beta2, 5.4.0beta3
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    None
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        Sprint 77 (Jun 2021)
- 
        0.25
Steps to reproduce:
- Go to Monitoring -> Hosts
- Open popup and select Dashboards for any host.
- Click one of calendar icon.
Result:
 See screenshot.
 Expected:
 Calendar popup should appear.
