Fields added to a custom report type (CRT) may not appear when users run the report. This article covers the most common causes: the CRT is still in Development status, the user is an external user, or the field was not added via the lookup path in the field layout editor.
When a CRT status is set to "In Development," only users with the Manage Custom Report Types permission can see and use the report type. All other users — including standard admins without that specific permission — cannot see the CRT in the report builder.
External users (Experience Cloud, Partner Community) have restricted access to report objects. Even if the CRT is Deployed, certain objects and fields are unavailable to external user profiles. This is by design and cannot be changed by adding permissions.
Fields from related objects must be added using "+ Lookup Fields" in the CRT Field Layout editor. Simply having a lookup relationship on the object does not automatically expose related fields. Fields added without this step do not appear in the report builder.
The following field types cannot be added to custom report types regardless of configuration: product schedule fields, history fields, the Age field on Cases and Opportunities, and lookup fields on the Opportunity Team Member object.
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