Answers for "cocoapods could not find compatible versions for pod "googlesignin": in podfile: googlesignin (~> 6.0.2)"

CocoaPods could not find compatible versions for pod "Firebase/Messaging":

I had the same problem, but I solved it like this

rm Podfile.lock
pod install --repo-update

CocoaPods could not find compatible versions for pod "ReactCommon/jscallinvoker"

// replace 

pod 'ReactCommon/jscallinvoker', :path => "../node_modules/react-native/ReactCommon"

//with

pod 'ReactCommon/callinvoker', :path => "../node_modules/react-native/ReactCommon"

cocoapods could not find compatible versions for pod firebase_auth flutter

# Uncomment this line to define a global platform for your project
platform :ios, '12.0'