Can't create a new Certificate Signing Request(CSR)?

I am trying to test my app on my iOS device. To do so I ill need to create a Certificate Signing Request(CSR).

These are the steps I took:

• Open Keychain Access in the Utilities folder.
• On the drop down menu clicked Keychain Access → Certificate assistant → Request a Certificate from a Certificate Authority
• Entered my apple id email address and my name
• ticked Save to disk
• Clicked continue
• Save the CSR on desktop

Then the error:

The specified keychain is not a valid keychain file

I have tried the search engine for answers and I had no luck! Any help would be very much appreciated! Thanks in advance!

I have solved this question! Here are the steps:

Go to your terminal and type in:

ls -l ~/Library/

This will make sure that the permissions on the keychain folder are correct.

privs on the Keychains folder should be

drwxr-xr-x

If it is not drwxr-xr-x then follow these steps:

• Go to the drop down menu in Keychain Access.
• Keychain Access > Keychain First Aid
• Enter your Username and Password
• Tick on Repair
• Click Start

This solved my problem! :)