Check_MK Werk 8331: Fixed exception in BI aggregation timeline PDF export

ID: 8331 Title: Fixed exception in BI aggregation timeline PDF export Component: Reporting & Availability Level: 1 Class: Bug fix Version: 1.2.7i3 When creating a PDF export from a single aggregation availability timeline view an exception could occur when no "last known plugin output" is available for the aggregation. The exception was: "KeyError: 'log_output'"