Unity - IOS version for my app via xcode - "framework not found"

Hi, I’m currently working on an IOS version for my app and am trying to make an archive via xcode (so that at the end of the process I can upload it to the store).
When I click the archive button, the build fails and I get the following error (pictures attached). Attached is a picture of the Podfile file.
Thanks in advance

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Looks like firebase didn’t get set up properly. It is easily one of the more-irritating third-party SDKs to set up and about the only thing that works is to just go back over everything, check every step in the integration process, make sure nothing got skipped.