Hello! I also faced this problem. This is due to privacy policy and possibly bugs. The more detailed the report, the more noise it contains and some data does not reach it because it does not pass the “threshold”. https://developer.apple.com/documentation/analytics-reports/privacy

April 6, 2024. The problem still exists. Apple support is not responding to requests

April 6, 2024. The problem still exists. Apple support is not responding to requests