io: ios app development option greyed out

Question

I just signed and created a certificate with keychain access, then in the developer portal I click certificates->developer->+ and when I am prompted for What type of certificate

Answer 1

Nowadays iOS App Development option is getting greyed out don't know why.

Even I had this situation and I solved it (made it enabled) using the following steps.

1. Remove the expired development certificates from Certificates/Development.

2. Revoke the unused development certificates.

3. Now click on the + button and you are free to select the

   iOS App Development option.