Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires typo3/cms-core ^11.5 -> satisfiable by typo3/cms-core[11.5.x-dev]. - typo3/cms-core 11.5.x-dev requires enshrined/svg-sanitize ^0.18.0 -> found enshrined/svg-sanitize[0.18.0] but these were not loaded, because they are affected by security advisories ("PKSA-4g5g-4rkv-myqs"). Go to https://packagist.org/security-advisories/ to find advisory details. To ignore the advisories, add them to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. Problem 2 - Root composer.json requires typo3/cms-fluid-styled-content ^11.5 || ^12.4 || ^13.1 || ^14.0 -> satisfiable by typo3/cms-fluid-styled-content[v11.5.0, ..., 11.5.x-dev, v12.4.0, ..., 12.4.x-dev, v13.1.0, ..., 13.4.x-dev, v14.0.0, v14.0.1, 14.0.x-dev, 14.1.x-dev (alias of dev-main)]. - typo3/cms-core 11.5.x-dev requires enshrined/svg-sanitize ^0.18.0 -> found enshrined/svg-sanitize[0.18.0] but these were not loaded, because they are affected by security advisories ("PKSA-4g5g-4rkv-myqs"). Go to https://packagist.org/security-advisories/ to find advisory details. To ignore the advisories, add them to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. - typo3/cms-fluid-styled-content v11.5.0 requires typo3/cms-core 11.5.0 -> found typo3/cms-core[v11.5.0] but these were not loaded, because they are affected by security advisories ("PKSA-ns26-fz7n-2jm8", "PKSA-pz1k-khnw-3j7j", "PKSA-2ssc-6m7w-s9xh", "PKSA-q3vc-nbpk-d1gk", "PKSA-6d7x-2gs8-wr59", "PKSA-b5m3-ttcx-cz18", "PKSA-3gg2-48j5-46ky", "PKSA-tm11-834c-1wbq", "PKSA-443h-dk5w-qm2g", "PKSA-8vkj-4d3h-x586", "PKSA-prgj-sgzn-q6cs", "PKSA-zz7z-6zsy-d2hc", "PKSA-99mg-htb6-c272", "PKSA-h5xk-8nxx-znp4", "PKSA-d551-hdqh-5mmf", "PKSA-jbhx-knzt-5y6m", "PKSA-jp7z-h3vv-yr4s", "PKSA-83hy-ynvj-7pfq", "PKSA-vxw7-bfmg-pz5q", "PKSA-qbn4-sj3q-rvvx", "PKSA-pdn3-qb24-bkw6", "PKSA-ccxj-fgkz-pynv", "PKSA-3p3s-8w1v-x6b3", "PKSA-hf6f-qcwd-7279", "PKSA-j3x1-dtrb-kbct", "PKSA-p25q-9h89-q9b8", "PKSA-rwrz-v1bh-34yt", "PKSA-wjjh-fbmt-t55w", "PKSA-wkgp-n44t-r1jh", "PKSA-v1kb-vbr1-8fy1", "PKSA-d4cy-7k8v-3wtm", "PKSA-dnvg-71td-yz19", "PKSA-4kgv-d12j-68gk", "PKSA-dh2h-m334-x2dj", "PKSA-sy4v-bxfk-mjjn", "PKSA-1f5c-bp4y-tqft"). Go to https://packagist.org/security-advisories/ to find advisory details. To ignore the advisories, add them to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. - typo3/cms-fluid-styled-content v11.5.1 requires typo3/cms-core 11.5.1 -> found typo3/cms-core[v11.5.1] but these were not loaded, because they are affected by security advisories ("PKSA-ns26-fz7n-2jm8", "PKSA-pz1k-khnw-3j7j", "PKSA-2ssc-6m7w-s9xh", "PKSA-q3vc-nbpk-d1gk", "PKSA-6d7x-2gs8-wr59", "PKSA-b5m3-ttcx-cz18", "PKSA-3gg2-48j5-46ky", "PKSA-tm11-834c-1wbq", "PKSA-443h-dk5w-qm2g", "PKSA-8vkj-4d3h-x586", "PKSA-prgj-sgzn-q6cs", "PKSA-zz7z-6zsy-d2hc", "PKSA-99mg-htb6-c272", "PKSA-h5xk-8nxx-znp4", "PKSA-d551-hdqh-5mmf", "PKSA-jbhx-knzt-5y6m", "PKSA-jp7z-h3vv-yr4s", "PKSA-83hy-ynvj-7pfq", "PKSA-vxw7-bfmg-pz5q", "PKSA-qbn4-sj3q-rvvx", "PKSA-pdn3-qb24-bkw6", "PKSA-ccxj-fgkz-pynv", "PKSA-3p3s-8w1v-x6b3", "PKSA-hf6f-qcwd-7279", "PKSA-j3x1-dtrb-kbct", "PKSA-p25q-9h89-q9b8", "PKSA-rwrz-v1bh-34yt", "PKSA-wjjh-fbmt-t55w", "PKSA-wkgp-n44t-r1jh", "PKSA-v1kb-vbr1-8fy1", "PKSA-d4cy-7k8v-3wtm", "PKSA-dnvg-71td-yz19", "PKSA-4kgv-d12j-68gk", "PKSA-dh2h-m334-x2dj", "PKSA-sy4v-bxfk-mjjn", "PKSA-1f5c-bp4y-tqft"). Go to https://packagist.org/security-advisories/ to find advisory details. To ignore the advisories, add them to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. - typo3/cms-fluid-styled-content v11.5.10 requires typo3/cms-core 11.5.10 -> found typo3/cms-core[v11.5.10] but these were not loaded, because they are affected by security advisories ("PKSA-ns26-fz7n-2j