Try adding a page from the Pages Panel (use the icon at the bottom of the panel). If this doesn't work you may have a corruption in the Application - try trashing your Preferences.
Troubleshooting 101: Replace, or "trash" your InDesign preferences
Try adding a page from the Pages Panel (use the icon at the bottom of the panel). If this doesn't work you may have a corruption in the Application - try trashing your Preferences.
Troubleshooting 101: Replace, or "trash" your InDesign preferences