I created a new Historical Tag Provider of the type DB Table Historian however, right now I am not able to display them in the power chart for some reason.
I am also experiencing the same issue. As soon as I add a pen from DB Table Historian, all pens disappear (also the tag historian ones).
What version of Ignition of you running?
I defined a DB Table History Provider: CVTrendlog
The table i am using as datasource:
And the Pen Tag Path is:
Testing in a Perspective PowerChart component, Ignition v8.1.0