Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires drupal/elasticsearch_connector ^7.0, found drupal/elasticsearch_connector[dev-7.x, 7.0.0-alpha1, ..., 7.x-dev (alias of dev-7.x)] but it does not match your minimum-stability. Problem 2 - Root composer.json requires dpc-sdp/tide_api ^4.0.0 -> satisfiable by dpc-sdp/tide_api[4.0.0, 4.1.0, 4.1.1]. - dpc-sdp/tide_api[4.0.0, ..., 4.1.1] require drupal/schemata ^1.0@beta -> found drupal/schemata[dev-1.x, 1.0.0-alpha1, ..., 1.x-dev (alias of dev-1.x)] but it does not match your minimum-stability. Problem 3 - dpc-sdp/tide_api[4.0.0, ..., 4.1.1] require drupal/schemata ^1.0@beta -> found drupal/schemata[dev-1.x, 1.0.0-alpha1, ..., 1.x-dev (alias of dev-1.x)] but it does not match your minimum-stability. - dpc-sdp/tide_landing_page[4.0.0, ..., 4.1.0] require dpc-sdp/tide_api ^4.0.0 -> satisfiable by dpc-sdp/tide_api[4.0.0, 4.1.0, 4.1.1]. - Root composer.json requires dpc-sdp/tide_landing_page ^4.0.0 -> satisfiable by dpc-sdp/tide_landing_page[4.0.0, 4.1.0].