Your requirements could not be resolved to an installable set of packages. Problem 1 - dotkernel/dot-flashmessenger 3.1.1 requires php ^7.4 -> your php version (8.2.8) does not satisfy that requirement. - dotkernel/dot-flashmessenger[3.2.0, ..., 3.3.0] require php ^7.4 || ~8.0.0 || ~8.1.0 -> your php version (8.2.8) does not satisfy that requirement. - dotkernel/dot-twigrenderer 3.4.0 requires dotkernel/dot-flashmessenger ^3.1.1 -> satisfiable by dotkernel/dot-flashmessenger[3.1.1, 3.2.0, 3.3.0]. - Root composer.json requires dotkernel/dot-twigrenderer ^3.4 -> satisfiable by dotkernel/dot-twigrenderer[3.4.0].