Failed to execute git checkout 00ea0afa643b3b4383a5cd1a322656c989ade498 -- && git reset --hard 00ea0afa643b3b4383a5cd1a322656c989ade498 -- fatal: unable to read tree (00ea0afa643b3b4383a5cd1a322656c989ade498) It looks like the commit hash is not available in the repository, maybe the tag was recreated? Run "composer update nette/di" to resolve this.