Your requirements could not be resolved to an installable set of packages.
Problem 1
- barryvdh/laravel-debugbar is locked to version v2.3.2 and an update of this package was not requested.
s with another require.
Problem 2
- barryvdh/laravel-dompdf is locked to version v0.8.2 and an update of this package was not requested.
- barryvdh/laravel-dompdf v0.8.2 requires illuminate/support 5.1.x|5.2.x|5.3.x|5.4.x|5.5.x|5.6.x -> found illuminate/support[v5.1.1, ..., v5.6.39] but these were not loaded, likely because it conflicts with another require.
Problem 3
- barryvdh/laravel-ide-helper is locked to version v2.3.2 and an update of this package was not requested.
- barryvdh/laravel-ide-helper v2.3.2 requires illuminate/console ^5.0,<5.5 -> found illuminate/console[v5.0.0, ..., v5.4.36] but these were not loaded, likely because it conflicts with another require.
Problem 4
- kyslik/column-sortable is locked to version 5.4.11 and an update of this package was not requested.
ire.
- laravelcollective/html is locked to version v5.4.9 and an update of this package was not requested.
Problem 6
- nwidart/laravel-menus is locked to version 0.5.0 and an update of this package was not requested.
- nwidart/laravel-menus 0.5.0 requires illuminate/config 5.4.* -> found illuminate/config[v5.4.0, ..., v5.4.36] but these were not loaded, likely because it conflicts with another require.
Problem 7
- nwidart/laravel-modules is locked to version 1.27.2 and an update of this package was not requested.
re (5.8.0).
Problem 8
- sofa/eloquence is locked to version 5.4.1 and an update of this package was not requested.
- sofa/eloquence 5.4.1 requires illuminate/database 5.4.* -> found illuminate/database[v5.4.0, ..., v5.4.36] but these were not loaded, likely because it conflicts with another require.
已引发此错误，它尝试单独安装每个软件包，但仍然无法正常工作。谁能帮我解决这个问题。