Restore Google Profile Call Button

My verified Google Business Profile no longer shows the Call button—only Website, Directions, and WhatsApp appear. I recently changed my business categories and haven’t had time to go through Google’s category guidelines, so I suspect something there might be blocking the phone icon... (Budget: ₹1500 - ₹12500 INR, Jobs: Audit, Content Strategy, Digital Marketing, Google Ads, Google Analytics, SEO, Social Media Management, Website Management)