Google Analytics 4 bug causes data gaps in reports
Data is missing in User Acquisition and Traffic Acquisition reports, specifically for dates before September 6.
Google Analytics 4 is allegedly missing data from User Acquisition and Traffic Acquisition reports due to a bug.
Users report that data prior to September 6 is no longer available, despite it having been in place for at least two years prior, as demonstrated in the screenshot below:
The screenshot was shared in the Google Analytics Help Center.
In response, 15 others confirmed they were experiencing the same issue:
Why we care. If you are experiencing this problem, rest assured that the bug has been submitted to Google in Issue Tracker. Additionally, your data is not lost – you can still generate reports on traffic in Exploration reports or Standard reports using a different dimension such as source/medium.
What Google is saying. Google did not immediately respond to Search Engine Land’s request for comment.
Deep dive. Read the full thread on the Google Analytics Help Center for more information.