In old and in some new apple phone individuals faces Whatsapp App Crashing problem for resolving this issue individual uninstall the app and then later again reinstall it. But if you are facing this app crashing problem repeatedly then immediately contact at Apple customer service phone number 1-855-431-5111 for making your Apple phone error-free.
https://www.customerservicephone-number.com/apple-customer-service-phone-number/