Your requirements could not be resolved to an installable set of packages.
Problem 1
- tastyigniter/ti-ext-api v4.x-dev requires laravel/sanctum ^4.0 -> satisfiable by laravel/sanctum[v4.0.0, v4.0.1, v4.0.2, 4.x-dev].
- tastyigniter/ti-ext-coupons v4.x-dev requires tastyigniter/ti-ext-api v4.x-dev as 4.0 -> satisfiable by tastyigniter/ti-ext-api[v4.x-dev].
- You can only install one version of a package, so only one of these can be installed: laravel/sanctum[v3.2.0, ..., 3.x-dev, v4.0.0, v4.0.1, v4.0.2, 4.x-dev].
- tastyigniter/ti-ext-cart v4.x-dev requires tastyigniter/ti-ext-coupons v4.x-dev as 4.0 -> satisfiable by tastyigniter/ti-ext-coupons[v4.x-dev].
- tastyigniter/core dev-master requires laravel/sanctum ^3.2 -> satisfiable by laravel/sanctum[v3.2.0, ..., 3.x-dev].
- tastyigniter/core dev-master requires tastyigniter/ti-ext-cart v4.x-dev as 4.0 -> satisfiable by tastyigniter/ti-ext-cart[v4.x-dev].
- Root composer.json requires tastyigniter/core dev-master -> satisfiable by tastyigniter/core[dev-master].