What would prevent data from appearing in a Custom Report?

• A filter that removes all the data
• Custom Report isn’t shared with users in the same view
• Too many metrics in a Custom Report
• Too many dimensions in a Custom Report

Correct answer is:

• A filter that removes all the data

Explanation: Adding filter limit the report to specific dimensions. This lets you restrict the data that appears in the report.

Learn more here: https://support.google.com/analytics/answer/1151300