Google has issued a fix
3/23/21, 1:18 AMThe problem with Gmail has been resolved. We apologize for the inconvenience and thank you for your patience and continued support. Please rest assured that system reliability is a top priority at Google, and we are making continuous improvements to make our systems better.
Updating Android System WebView and Google Chrome via Google Play should now resolve the issue for all users.
1. Navigate to Play Store app2. Search for Android System WebView(https://play.google.com/store/apps/details?id=com.google.android.webview)3. Select the “Update” option4. Repeat these steps for Google Chrome (https://play.google.com/store/apps/details?id=com.android.chrome)
For more information about updating Android apps please see:https://support.google.com/googleplay/answer/113412