SHELL

npm install legacy peer deps

npm install --legacy-peer-deps

--legacy-peer-deps

--force:			will force npm to fetch remote resources even if a local
					copy exists on disk.
--legacy-peer-deps: ignore all peerDependencies when installing, in the style
                    of npm version 4 through version 6.
--strict-peer-deps: fail and abort the install process for any conflicting 
                    peerDependencies when encountered. By default, npm will
                    only crash for peerDependencies conflicts caused by the
                    direct dependencies of the root project.

npm legacy-peer-deps

--legacy-peer-deps: ignore all peerDependencies when installing, 
in the style of npm version 4 through version 6.

--strict-peer-deps: fail and abort the install process for any conflicting peerDependencies
when encountered. By default, npm will only crash for peerDependencies conflicts caused by 
the direct dependencies of the root project.

try --force before --legacy-peer-deps

npm install error (--legacy-peer-deps)

npm install --legacy-peer-deps 
check here:  https://stackoverflow.com/questions/66239691/what-does-npm-install-legacy-peer-deps-do-exactly-when-is-it-recommended-wh