I am working on a project for a client. I have two .cer files (developer and distribution) that load into Keystore Access on Mac OS X. However, I cannot export the .p12 file.

As an alternative, I tried OpenSSL, but still no luck ...
openssl pkcs12 -export -in followMe_ios_development.cer -out followMe_ios_development.p12 -clcerts -nokeys
How can I export this .cer file as a .p12 so that I can compile this iOS app?
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