Q: getting message "Could not connect to whatsapp service. please try again later". How do I resolve?

Hello, kengirtz.  

Thank you for Visiting Apple Support Communities.  

I understand that you are unable to connect to the WhatsApp service.  Some of the troubleshooting steps in the article below may help with this issue.  If these steps do not resolve the issue, please reach out to the App developer for further assistance.  

If an app you installed unexpectedly quits, stops responding, or won’t open

Cheers