React-Native 'React/RCTBridgeModule.h' file not found

1. In Xcode, go to the project scheme (Product -> Scheme -> Manage Scheme -> double click your project).
2. Click on the 'Build' option at the left pane.
3. Uncheck 'Parallelize Build' under Build Options.
4. Then in Targets section, click '+' button then search for 'React'. 5. Select it and click 'Add'.
5. 'React' should now appear under Targets section. Click and drag it to the top so that it will be the first item in the list (before your project).
6. Clean the project and build.