Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires orchestra/testbench-core dev-php84 as 9.5.999, found orchestra/testbench-core[dev-7/feature-251, dev-persist-db-connections, v3.4.0, ..., 3.9.x-dev, v4.0.0, ..., 4.x-dev, v5.0.0, ..., 5.x-dev, v6.0.0, ..., 6.x-dev, v7.0.0, ..., 7.x-dev, v8.0.0, ..., 8.x-dev, v9.0.0, ..., 9.x-dev, 10.x-dev] but it does not match the constraint. Problem 2 - Root composer.json requires orchestra/testbench dev-php84 as 9.5.999 -> satisfiable by orchestra/testbench[dev-php84]. - orchestra/testbench dev-php84 requires orchestra/testbench-core dev-php84 as 9.5.999 -> found orchestra/testbench-core[dev-7/feature-251, dev-persist-db-connections, v3.4.0, ..., 3.9.x-dev, v4.0.0, ..., 4.x-dev, v5.0.0, ..., 5.x-dev, v6.0.0, ..., 6.x-dev, v7.0.0, ..., 7.x-dev, v8.0.0, ..., 8.x-dev, v9.0.0, ..., 9.x-dev, 10.x-dev] but it does not match the constraint.