When setting up the forecast hierarchy in Pipeline Forecasting, certain users in a given role may not appear as available when 'Enable Users' is selected.
There are a couple of common resolutions to this issue:
If neither option resolves the issue, contact Salesforce Support for further assistance.
Additional Considerations
Manager Judgment Limitation
Managers cannot adjust their own opportunities through forecasting — they can only modify the forecasts of their direct subordinates. If a manager needs to adjust their own numbers, this must be done directly on the opportunity record itself, not through the Forecast tab.
"View All Forecasts" Permission Workaround
If a user needs visibility into the full forecast hierarchy without being a forecast manager, the "View All Forecasts" permission can be granted via their Profile or Permission Set. This allows read-only visibility across the entire hierarchy without requiring a manager role assignment.
Forecast Tab Hidden on Profile (Common Cause of Forecast Tab Errors)
If a user reports that the Forecast tab is missing or throws an error, check whether the Forecast tab visibility is set to "Hidden" on their profile. Navigate to Setup > Profiles > [User's Profile] > Object Settings > Forecasts and ensure the tab setting is set to "Default On" or "Default Off" — not "Hidden".
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