Error Regarding undefined method `map' for nil:NilClass for Flutter App / CocoaPod Error

Question

I'm having an error regarding my Flutter application. When I run the "flutter run" script in terminal, I'm getting the following error from Cocoapods: "Error output from CocoaPods: Searching for inspections failed: undefined method `map' for nil:NilClass" (as seen also by the attached picture).

How do I go about solving this issue?

score 86 · Accepted Answer · answered May 08 '21 at 09:42

86

Are you using Apple M1? I had this issue as well and after some research I find that it might be something to do with Rosetta. You can refer to Running CocoaPods on Apple Silicon (M1).

I managed to solve this issue on my MacBook Air M1 by typing this in the terminal:

sudo arch -x86_64 gem install ffi

from here https://stackoverflow.com/a/65334677/13814270.

answered May 08 '21 at 09:42

boonyongyang

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Is there any diff b/w running this command and changing the terminal option to "open with rosetta" fix? – Haseeb Burki Jul 01 '21 at 06:57
This helped a lot..Thank you – Dohan Smit Aug 04 '21 at 14:26
This is happening when I started flutter development in MacBook M1. On my old MacBook, it was normal and working fine. Does anyone know the reason? – Sharjeel Ali Aug 10 '21 at 13:03
Thanks helped me too :) – Royalty Dec 22 '21 at 20:26
hi, please help my problem : https://stackoverflow.com/questions/71866620/reactnative-pod-installe-error-invalid-podfile-file-undefined-method-get-def – famfamfam Apr 14 '22 at 04:49
I've installed this multiple times, not working. – Lalit Fauzdar May 23 '22 at 07:33

score 30 · Answer 2 · answered Dec 05 '21 at 21:05

30

I was trying to run pod install command in ios folder. @boonyongyang solution is necessary but it seemed that I had 2 ffi's installed, so I had to also run it with arch -x86_64 command

sudo arch -x86_64 gem install ffi
# go to ios folder then run
arch -x86_64 pod install

answered Dec 05 '21 at 21:05

Ali80

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works for apple MacBook Pro m1 <3 – efesahin May 28 '22 at 11:12
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works for Apple Macbook Air M1 aswell. I had to do that everytime I installed a new Firebase plugin. – Daniel May 28 '22 at 13:04

Error Regarding undefined method `map' for nil:NilClass for Flutter App / CocoaPod Error

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