Your requirements could not be resolved to an installable set of packages.
Problem 1
- Installation request for spatie/laravel-backup (locked at 6.0.3, required as ^6.0) -> satisfiable by spatie/laravel-backup[6.0.3].
- laravel-admin-ext/backup v1.0.1 requires spatie/laravel-backup ^5.0 -> satisfiable by spatie/laravel-backup[v5.x-dev].
- laravel-admin-ext/backup v1.0.2 requires spatie/laravel-backup ^5.0 -> satisfiable by spatie/laravel-backup[v5.x-dev].
- Conclusion: don't install spatie/laravel-backup v5.x-dev
- Can only install one of: encore/laravel-admin[1.5.x-dev, v1.6.9].
- Can only install one of: encore/laravel-admin[v1.6.9, 1.5.x-dev].
- Can only install one of: encore/laravel-admin[1.5.x-dev, v1.6.9].
- laravel-admin-ext/backup v1.0 requires encore/laravel-admin 1.5.* -> satisfiable by encore/laravel-admin[1.5.x-dev].
- Installation request for laravel-admin-ext/backup ^1.0 -> satisfiable by laravel-admin-ext/backup[v1.0, v1.0.1, v1.0.2].
- Installation request for encore/laravel-admin (locked at v1.6.9, required as ^1.6) -> satisfiable by encore/laravel-admin[v1.6.9].
Installation failed, reverting ./composer.json to its original content.
Any plan to update ? Thanks.