Namespace '"*"' has no exported member 'FC'. react code example

Example: namespace react has no export member FC

First check if your file has a "tsx" extension or not, if not add it .
//(First way)
npm install @types/react@latest --save-dev

//(Second way)
npm i @types/react@latest --save
delete node_modules
delete yarn.lock
then run
npm install or (yarn install)