Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires tastyigniter/ti-ext-cart ^4.0@beta -> satisfiable by tastyigniter/ti-ext-cart[v4.0.0-beta.1]. - tastyigniter/ti-ext-cart v4.0.0-beta.1 requires tastyigniter/ti-ext-coupons ^v4.0@beta -> found tastyigniter/ti-ext-coupons[v4.0.0-beta.1, v4.x-dev] but it does not match your minimum-stability. Problem 2 - Root composer.json requires tastyigniter/ti-theme-orange ^4.0@beta -> satisfiable by tastyigniter/ti-theme-orange[v4.0.0-beta.1]. - tastyigniter/ti-theme-orange v4.0.0-beta.1 requires tastyigniter/ti-ext-coupons ^v4.0@beta -> found tastyigniter/ti-ext-coupons[v4.0.0-beta.1, v4.x-dev] but it does not match your minimum-stability. Problem 3 - Root composer.json requires tastyigniter/ti-ext-local ^4.0@beta -> satisfiable by tastyigniter/ti-ext-local[v4.0.0-beta.1]. - tastyigniter/ti-ext-cart v4.0.0-beta.1 requires tastyigniter/ti-ext-coupons ^v4.0@beta -> found tastyigniter/ti-ext-coupons[v4.0.0-beta.1, v4.x-dev] but it does not match your minimum-stability. - tastyigniter/ti-ext-local v4.0.0-beta.1 requires tastyigniter/ti-ext-cart ^v4.0@beta -> satisfiable by tastyigniter/ti-ext-cart[v4.0.0-beta.1].