From the screenshot and the description of the problem it seems like the CSS styles of the Html5 Report Viewer sometimes load successfully and sometimes fail to load.
Does the issue appear in 'CONTINUOUS_SCROLL' pageMode
only (check Report Viewer Initialization Options
) or also with 'SINGLE_PAGE'
? We have already fixed a similar bug and the fix would be released in our upcoming Release R2 2019 scheduled for May 15th 2019.
Could you specify the exact scenario/steps that lead to the issue? We would need to reproduce it locally and investigate further.
Consider sending us a runnable project that demonstrates the problem.
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