Contact sync issue in M51 after June security patch

[ankitjain0901]

Contacts are not syncing with WhatsApp and other apps after the update.. I can see the saved contact in dialer but those are not showing up in apps like WhatsApp.. 

[Samsung_Support2]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We would request you to register your concern in Samsung Members Application. So, that our concern team gets back to you as soon as possible.

Please follow this path to register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Note. please attach the error log file within 15 minutes of the error occurred.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support

[GTcp]

My dual watsap does not show names but those names are showing in my contacts