Your requirements could not be resolved to an installable set of packages. Problem 1 - symfony/security-guard[v2.8.0-BETA1, ..., v2.8.41] require symfony/security-core ~2.8|~3.0.0 -> found symfony/security-core[v2.8.0-BETA1, ..., v2.8.52, v3.0.0-BETA1, ..., v3.0.9] but these were not loaded, likely because it conflicts with another require. - symfony/security-guard[v2.8.42, ..., v2.8.52] require symfony/security-core ^2.8.41|^3.3.17 -> found symfony/security-core[v2.8.41, ..., v2.8.52, v3.3.17, ..., v3.4.49] but these were not loaded, likely because it conflicts with another require. - symfony/security-guard[v3.0.0-BETA1, ..., v3.3.18] require symfony/security-core ~2.8|~3.0 -> found symfony/security-core[v2.8.0-BETA1, ..., v2.8.52, v3.0.0-BETA1, ..., v3.4.49] but these were not loaded, likely because it conflicts with another require. - symfony/security-guard[v3.4.0-BETA1, ..., v3.4.22] require symfony/security-core ~2.8|~3.0|~4.0 -> found symfony/security-core[v2.8.0-BETA1, ..., v2.8.52, v3.0.0-BETA1, ..., v3.4.49, v4.0.0-BETA1, ..., v4.4.48] but these were not loaded, likely because it conflicts with another require. - symfony/security-guard[v3.4.23, ..., v3.4.48] require symfony/security-core ~3.4.22|^4.2.3 -> found symfony/security-core[v3.4.22, ..., v3.4.49, v4.2.3, ..., v4.4.48] but these were not loaded, likely because it conflicts with another require. - symfony/security-guard[v4.0.0-BETA1, ..., v4.4.8] require php ^7.1.3 -> your php version (8.2.19) does not satisfy that requirement. - symfony/security-guard[v4.4.9, ..., v4.4.46] require symfony/security-core ^3.4.22|^4.2.3|^5.0 -> found symfony/security-core[v3.4.22, ..., v3.4.49, v4.2.3, ..., v4.4.48, v5.0.0-BETA1, ..., v5.4.40] but these were not loaded, likely because it conflicts with another require. - symfony/security-guard[v5.0.0-BETA1, ..., v5.0.0-RC1] require php ^7.2.9 -> your php version (8.2.19) does not satisfy that requirement. - symfony/security-guard[v5.0.0, ..., v5.1.0-RC1] require php ^7.2.5 -> your php version (8.2.19) does not satisfy that requirement. - symfony/security-guard[v5.0.9, ..., v5.4.40] require symfony/security-core ^5.0 -> found symfony/security-core[v5.0.0-BETA1, ..., v5.4.40] but these were not loaded, likely because it conflicts with another require. - symfony/security-guard v5.4.0-BETA1 requires symfony/security-core ^5.0|^6.0 -> found symfony/security-core[v5.0.0-BETA1, ..., v5.4.40, v6.0.0-BETA1, ..., v6.4.8] but these were not loaded, likely because it conflicts with another require. - Root composer.json requires symfony/security-guard * -> satisfiable by symfony/security-guard[v2.8.0-BETA1, ..., v2.8.52, v3.0.0-BETA1, ..., v3.4.48, v4.0.0-BETA1, ..., v4.4.46, v5.0.0-BETA1, ..., v5.4.40].