
Problem 1
- league/iso3166[2.1.0, ..., 2.1.1] require php ^5.6 || ^7.0 -> your php version (8.1.27) does not satisfy that requirement.
- league/iso3166[2.1.2, ..., 2.1.5] require php ^7.0 -> your php version (8.1.27) does not satisfy that requirement.
- fancyecommerce/fecshop 2.17.4 requires league/iso3166 ^2.1 -> satisfiable by league/iso3166[2.1.0, ..., 2.1.5].
- Root composer.json requires fancyecommerce/fecshop 2.17.4 -> satisfiable by fancyecommerce/fecshop[2.17.4].