An issue that I've suddenly started getting this last week. Every time I navigate screens in the model app studio, I get this pop up. Clicking sign in will remove the text from the box entirely and then ask me to confirm (which does nothing) or cancel, showing me my screen that I'm trying to navigate to.
If I close and reopen the page, I get this popup:
After clicking sign in:
Popups for this site are allowed and I have no popup blocker chrome extensions either. Clicking close does nothing and clicking cancel multiple times eventually takes me to the screen.
The "Sign in to continue" pop-up issue in Power Apps Model App Studio, which started occurring recently, is likely due to an expired authentication token. When you click "Sign in," the pop-up fails to prompt for credentials because of a glitch in the designer, preventing proper re-authentication. To resolve this, clear your browser's cookies, close the browser, and reopen it to log in again via the Power Apps maker portal. This should fix the issue by refreshing the authentication process.[](https://powerappsguide.com/blog/post/fix-sign-in-to-continue-error)
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