Fails to install on Laravel 5.4

[jhourlad]

  Problem 1
    - Installation request for sger/laravel-paypal ^0.1.0 -> satisfiable by sger/laravel-paypal[0.1].
    - Conclusion: remove laravel/framework v5.4.17
    - Conclusion: don't install laravel/framework v5.4.17
    - sger/laravel-paypal 0.1 requires illuminate/support 5.1.* || 5.2.* || 5.3.* -> satisfiable by illuminate/support[v5.1.1, v5.1.13, v5.1.16, v5.1.2, v5.1.20, v5.1.22, v5.1.25, v5.1.28, v5.1.30, v5.1.31, v5.1.41, v5.1.6, v5.1.8, v5.2.0, v5.2.19, v5.2.21, v5.2.24, v5.2.25, v5.2.26, v5.2.27, v5.2.28, v5.2.31, v5.2.32, v5.2.37, v5.2.43, v5.2.45, v5.2.6, v5.2.7, v5.3.0, v5.3.16, v5.3.23, v5.3.4].
    - don't install illuminate/support v5.1.1|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.13|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.16|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.2|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.20|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.22|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.25|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.28|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.30|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.31|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.41|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.6|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.1.8|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.0|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.19|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.21|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.24|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.25|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.26|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.27|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.28|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.31|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.32|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.37|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.43|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.45|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.6|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.2.7|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.3.0|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.3.16|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.3.23|don't install laravel/framework v5.4.17
    - don't install illuminate/support v5.3.4|don't install laravel/framework v5.4.17
    - Installation request for laravel/framework (locked at v5.4.17, required as 5.4.*) -> satisfiable by laravel/framework[v5.4.17].


Installation failed, reverting ./composer.json to its original content.

[sger]

not tested with L 5.4 yet thats the reason you must use 5.1, 5.2, 5.3