Answers for "error: requires babel "^7.0.0-0", but was loaded with "6.26.3". if you are sure you have a compatible"

Error: Requires Babel "^7.0.0-0", but was loaded with "6.26.3". If

npm install --save-dev "babel-core@^7.0.0-bridge.0"

error: requires babel "^7.0.0-0", but was loaded with "6.26.3".

Looks like you need
to install babel-core as the docs 
suggest: https://jestjs.io/docs/en/getting-started#using-babel

yarn add --dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime

error: requires babel "^7.0.0-0", but was loaded with "6.26.3".

## You'll need to remove the reference to babel-cli since that conflicts with @babel/cli.
## OR
## Ensure @babel packages are on the latest version in package.json
## Remove the package-lock.json and node_modules
## Reinstall using yarn (not npm)
## YOU CAN ALSO TRY
npm install --save-dev [email protected]