``` PS C:\code\thegecko> yarn install yarn install v1.21.1 warning package-lock.json found. Your project contains lock files generated by tools other than Yarn. It is advised not to mix package managers in order to avoid resolution inconsistencies caused by unsynchronized lock files. To clear this warning, remove package-lock.json. [1/4] Resolving packages... success Already up-to-date. Done in 0.56s. ``` yarn is working and if i run the rails server local, everything is working fine