Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - ghostwriter/testify is locked to version 0.1.0 and an update of this package was not requested. - ghostwriter/testify 0.1.0 requires ghostwriter/case-converter ^1.0.0 -> found ghostwriter/case-converter[2.0.x-dev] but it does not match the constraint. See https://getcomposer.org/dep-on-root for details and assistance.