iOS11推送异常，锁定FirebaseInstanceID 2.0.0遇CocoaPods兼容问题求助

Looks like you're hitting a classic version mismatch between your Podfile's explicit lock and the existing snapshot in Podfile.lock. Let's work through this step by step to get it sorted:

Step 1: Clear Out Old Lock Files and Caches #

First, we need to wipe out the existing Podfile.lock that's stuck on version 2.0.10, plus any cached specs that might be muddying the waters:

• Delete the outdated lock file: rm Podfile.lock
• Fully deintegrate your current pod setup: pod deintegrate
• Clear all CocoaPods cached specs: pod cache clean --all

Step 2: Align Your Podfile Dependencies #

The conflict is likely happening because another Firebase pod (like Firebase/Core) is pulling in a newer version of FirebaseInstanceID behind the scenes. Firebase's components are tightly version-coupled, so you’ll need to lock parent Firebase pods to versions compatible with FirebaseInstanceID 2.0.0.

For reference, FirebaseInstanceID 2.0.0 pairs with Firebase core versions around 5.0.0. Update your Podfile to specify matching versions like this:

pod 'Firebase/Core', '~> 5.0.0'
pod 'FirebaseInstanceID', '2.0.0'
# Add any other Firebase pods you use here, also locked to 5.x versions

Step 3: Reinstall Pods #

Run the install command again with verbose output to catch any remaining issues:
pod install --verbose

Step 4: Verify the Fix #

Once the install completes successfully, open Podfile.lock and confirm that FirebaseInstanceID is listed as 2.0.0, and all related Firebase pods are on matching 5.x versions.

If you still run into snags, you can check the dependency tree of FirebaseInstanceID 2.0.0 to see which pods might be causing conflicts:
pod spec cat FirebaseInstanceID/2.0.0 | grep -A 10 "Dependencies"

内容的提问来源于stack exchange，提问作者vineeth