Cocoapods: Unable to find a specification for `Firebase/Core`

Question

I have this in podfile:

pod \'Firebase/Core\'
pod \'Firebase/Messaging\'

but getting this error:

[!] Unable to find

Answer 1

This worked for me by updating cocoapods and my pod repo:

sudo gem install cocoapods
pod repo update

Answer 2

try below commands:

pod repo remove master
pod repo update
pod install --verbose