Hello @mytamyta_mytamy
https://newrelic.com/
If you get a 404 “Page Not Found” message, verify that your store meets the requirements for Advanced Reporting. Then, follow the instructions to verify that the integration is installed.
Advanced Reporting Not Available
Verify that the Integration is Active
1. On the Admin menu, choose System. Then under Extensions, choose Integration. 2. Verify that the Magento Analytics user integration appears in the list, and that the Status is “Active.” 3. To reestablish the user, click Reauthorize. Then, do the following:
Reauthorize
a. When prompted, tap Reauthorize to approve access to the API resources.
Reauthorize Access to API Resources
b. Verify that the list of Integration Tokens for Extensions is complete. Then, tap Done.
Integration Tokens
4. Look for the message that indicates the integration “Magento Analytics user” has been reauthorized. 5. Wait overnight, or until after the time of your next scheduled update
Source : https://docs.magento.com/m2/ce/user_guide/reports/advanced-reporting.html