Why wont my metro pcs zte zmax pro wont let me delet or edit my contacts?

[AC Question]

When I got my phone I pushed deny on the contact didn't mean to. But ever since then it won't let me edit or delete contacts I tried everything && I really don't wanna reboots my whole phone && delete everything can someone please help me out or I don't have no other choice but to start all over again?

 

[B. Diddy]

Welcome to Android Central! Go to Settings>Apps, select the Contacts app, then Permissions, and make sure it has the proper permissions set.