cocoapods

When I try to install cocoapods I get this error:

[!] Oh no, an error occurred.

Search for existing GitHub issues similar to yours: https://github.com/CocoaPods/CocoaPods/search?q=dlopen%28%2FLibrary%2FRuby%2FGems%2F2.6.0%2Fgems%2Fffi-1.12.2%2Flib%2Fffi_c.bundle%2C+0x0009%29%3A+tried%3A+%27%2FLibrary%2FRuby%2FGems%2F2.6.0%2Fgems%2Fffi-1.12.2%2Flib%2Fffi_c.bundle%27+%28mach-o+file%2C+but+is+an+incompatible+architecture+%28have+%27x86_64%27%2C+need+%27arm64e%27+or+%27arm64%27%29%29%2C+%27%2FSystem%2FVolumes%2FPreboot%2FCryptexes%2FOS%2FLibrary%2FRuby%2FGems%2F2.6.0%2Fgems%2Fffi-1.12.2%2Flib%2Fffi_c.bundle%27+%28no+such+file%29%2C+%27%2FLibrary%2FRuby%2FGems%2F2.6.0%2Fgems%2Fffi-1.12.2%2Flib%2Fffi_c.bundle%27+%28mach-o+file%2C+but+is+an+incompatible+architecture+%28have+%27x86_64%27%2C+need+%27arm64e%27+or+%27arm64%27%29%29+-+%2FLibrary%2FRuby%2FGems%2F2.6.0%2Fgems%2Fffi-1.12.2%2Flib%2Fffi_c.bundle&type=Issues

If none exists, create a ticket, with the template displayed above, on: https://github.com/CocoaPods/CocoaPods/issues/new

Be sure to first read the contributing guide for details on how to properly submit a ticket: https://github.com/CocoaPods/CocoaPods/blob/master/CONTRIBUTING.md

Don't forget to anonymize any private data!

Looking for related issues on cocoapods/cocoapods... Searching for inspections failed: undefined method `map' for nil:NilClass robertsantovasco@iMac L1 demo %

I typed "install pod". There's pages of errors above that. Here is my podfile:

platform :ios, '9.0'

target 'L1 demo' do

Comment the next line if you don't want to use dynamic frameworks

use_frameworks!

pod 'RealmSwift' end

Please help. Thank you.