I can't connect an IAS data source
Here is a guide on how to connect: How To Connect Integral Ad Science
My data in Funnel doesn't match my report from the IAS UI.
There are a few common issues that might cause a mismatch between Funnel and reports downloaded from the IAS UI:
Funnel always group our data by day. Make sure your report also has this setting.
Funnel downloads data for all teams that the connected user has access to so make sure that the user who created the report has access to the same set of teams. No more, no less.