z1 Contact Edit crash

[MazB]

Hello,

I have a touble with my z1 Everytime I click on Edit Contact buttton I got a crash message saying "Unfortunatly, Contacts has stopped"... I'm getting this trouble since the first time I open the box and turn on my phone! I can't editi any of my contacts! can anyone tell me what's wrong and how to fix that please?

this is the screenshot>>

[_alexdon_]

Settings-apps-all-contacts,clear data.Restart the device.

[m_elessawi]

Did the "Clear Data" and Restarted phone ..

Still facing the same problem when editing any contact 

Is there any other procedure? 

Note: This appeared after latest update....Could it be related ?