Answers for "new new error ERESOLVE unable to resolve dependency tree"

npm ERR! code ERESOLVE npm ERR! ERESOLVE unable to resolve dependency tree

npm config set legacy-peer-deps true

npm ERR! code ERESOLVE npm ERR! ERESOLVE unable to resolve dependency tree

# when any package is not installing and giving errors in npm
npm install --save --legacy-peer-deps