I keep getting this error in "pod install" while the pod file is the same since last successful install! I've been having this problem for few days now.
NoMethodError - undefined method framework?' for nil:NilClass
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/target.rb:112:inbuild_as_framework?'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/xcode/target_validator.rb:53:in block (3 levels) in verify_no_duplicate_framework_and_library_names'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/xcode/target_validator.rb:53:inselect'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/xcode/target_validator.rb:53:in block (2 levels) in verify_no_duplicate_framework_and_library_names'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/xcode/target_validator.rb:48:ineach_key'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/xcode/target_validator.rb:48:in block in verify_no_duplicate_framework_and_library_names'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/xcode/target_validator.rb:47:ineach'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/xcode/target_validator.rb:47:in verify_no_duplicate_framework_and_library_names'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/xcode/target_validator.rb:37:invalidate!'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer.rb:590:in validate_targets'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer.rb:158:ininstall!'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/command/install.rb:52:in run'
/Library/Ruby/Gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:334:inrun'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/command.rb:52:in run'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/bin/pod:55:in'
/usr/local/bin/pod:23:in load'
/usr/local/bin/pod:23:in'
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[!] Oh no, an error occurred.