Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires sampoyigi/testbench ^1.0, found sampoyigi/testbench[dev-main, 1.0.x-dev (alias of dev-main)] but it does not match your minimum-stability.
Problem 2
- Root composer.json requires tastyigniter/core ^v4.0@beta -> satisfiable by tastyigniter/core[v4.0.0-beta.1].
- tastyigniter/core v4.0.0-beta.1 requires tastyigniter/ti-ext-api ^4.0@beta -> found tastyigniter/ti-ext-api[v4.x-dev] but it does not match your minimum-stability.