Campaign with Campaign members Report for Community
|Knowledge Article Number||000239680|
|Description||Users might notice that in Communities they don't have access to Campaign Member Report.|
|Resolution||If the user's wants to create a Campaign Member report in Community than the sharing setting in Organization-Wide Defaults
for Leads and Contacts under Default External Access should be Private.
Once the access is set to Private, the users will have access to Campaign Member report type.