# Tracking stopped after you changed the GA4 property **What you are seeing** Tracking stopped after you changed the GA4 property. --- ## Why it happens Changing the property deliberately clears the Measurement ID and the API secret selection, because a data stream and its secrets belong to one property. --- ## What to do Pick a data stream in the new property to restore the Measurement ID, re-pick or create the API secret, then Save. --- ## Settings involved | **Setting** | **Where** | **What it does** | | ------------------------------------- | --------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Connect Google Analytics / Disconnect | Settings > Apps > Google Analytics > Connect Google | Starts a Google sign-in popup. The connection is site-level: one admin connects once and the whole Confluence site uses it. Disconnect revokes access at Google and deletes the stored tokens. | | Data stream | Settings > Apps > Google Analytics > View tracking | Picking a web data stream fills in the Measurement ID for you. | | Measurement ID | Settings > Apps > Google Analytics > View tracking | The GA4 tag ID (G-XXXXXXXXXX). This is the single required setting: nothing is collected anywhere until it is set. | --- ## Related [Refined or Scroll Viewport pages report nothing after pasting the snippetUsually the other product's content security policy is blocking the lookup request, or the](https://help.gocapable.com/google-analytics/refined-or-scroll-viewport-pages-report-nothing-after-pasting-the-snippet.html) [Some report rows show a bare page id instead of a titleReport data comes from Google keyed on page id, and titles are looked up separately using ](https://help.gocapable.com/google-analytics/some-report-rows-show-a-bare-page-id-instead-of-a-title.html) [Everything elseThe rest of this family.](https://help.gocapable.com/google-analytics/everything-else.html) --- _Found it? Good._