Get a Error when build project, any help ?

[wgltony]

Did everything in the instruction, Below is error log when build project, please help! Thanks.

Undefined symbols for architecture x86_64: "_OBJCCLASS$_BTPaymentFlowDriver", referenced from: objc-class-ref in libBraintreeDropIn.a(BTCardFormViewController.o) "_OBJCCLASS$_BTThreeDSecureRequest", referenced from: objc-class-ref in libBraintreeDropIn.a(BTCardFormViewController.o) ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)

[Minishlink]

Hello, here's some things that can fix this:

• Make sure you ran pod install (your Podfile.lock should have changed)
• clear your ios/build folder
• clear XCode derived data

If this doesn't work, I'll need the content of your Podfile.lock anf might need a reproducible repository.

[maxweb4u]

Hello, I have the same bug and clearing doesn't work. Here is my podfile.lock Podfile.lock.zip