Problem 1
- Root composer.json requires phalcon/proxy-psr16 ^1.0 -> satisfiable by phalcon/proxy-psr16[1.0.0].
- cakephp/datasource 5.0.0 requires psr/simple-cache ^2.0 || ^3.0 -> satisfiable by psr/simple-cache[2.0.0, 3.0.0].
- cakephp/database 5.0.0 requires cakephp/datasource ^5.0 -> satisfiable by cakephp/datasource[5.0.0].
- You can only install one version of a package, so only one of these can be installed: psr/simple-cache[1.0.0, 1.0.1, 2.0.0, 3.0.0].
- robmorgan/phinx[0.15.0, ..., 0.15.2] require cakephp/database ^5.0 -> satisfiable by cakephp/database[5.0.0].
- phalcon/proxy-psr16 1.0.0 requires psr/simple-cache ^1.0 -> satisfiable by psr/simple-cache[1.0.0, 1.0.1].
- Root composer.json requires robmorgan/phinx ^0.15 -> satisfiable by robmorgan/phinx[0.15.0, 0.15.1, 0.15.2].