Won't install in Laravel 5.4

[Jamesking56]

When I try to add Laravel Omnipay using composer require ignited/laravel-omnipay 2.* I get an error with Composer:

./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Conclusion: don't install ignited/laravel-omnipay 2.3.0
    - Conclusion: don't install ignited/laravel-omnipay 2.2.0
    - Conclusion: don't install ignited/laravel-omnipay 2.1.0
    - Conclusion: don't install omnipay/common v2.3.4
    - Conclusion: don't install symfony/http-foundation v3.3.9|install omnipay/common v2.3.4
    - Installation request for symfony/event-dispatcher (locked at v3.3.9) -> satisfiable by symfony/event-dispatcher[v3.3.9].
    - Conclusion: don't install ignited/laravel-omnipay 2.1.0|remove symfony/http-foundation v3.3.9|install omnipay/common v2.3.4
    - Conclusion: don't install ignited/laravel-omnipay 2.1.0|don't install symfony/http-foundation v3.3.9|install omnipay/common v2.3.4
    - Installation request for ignited/laravel-omnipay 2.* -> satisfiable by ignited/laravel-omnipay[2.0.0, 2.1.0, 2.2.0, 2.3.0].
    - Conclusion: remove symfony/http-foundation v3.3.9|install omnipay/common v2.3.4
    - ignited/laravel-omnipay 2.0.0 requires omnipay/common 2.3.* -> satisfiable by omnipay/common[2.3.2, v2.3.0, v2.3.1, v2.3.3, v2.3.4].
    - omnipay/common 2.3.2 requires symfony/http-foundation ~2.1 -> satisfiable by symfony/http-foundation[v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9, v2.2.0, v2.2.1, v2.2.10, v2.2.11, v2.2.2, v2.2.3, v2.2.4, v2.2.5, v2.2.6, v2.2.7, v2.2.8, v2.2.9, v2.3.0, v2.3.1, v2.3.10, v2.3.11, v2.3.12, v2.3.13, v2.3.14, v2.3.15, v2.3.16, v2.3.17, v2.3.18, v2.3.19, v2.3.2, v2.3.20, v2.3.21, v2.3.22, v2.3.23, v2.3.24, v2.3.25, v2.3.26, v2.3.27, v2.3.28, v2.3.29, v2.3.3, v2.3.30, v2.3.31, v2.3.32, v2.3.33, v2.3.34, v2.3.35, v2.3.36, v2.3.37, v2.3.38, v2.3.39, v2.3.4, v2.3.40, v2.3.41, v2.3.42, v2.3.5, v2.3.6, v2.3.7, v2.3.8, v2.3.9, v2.4.0, v2.4.1, v2.4.10, v2.4.2, v2.4.3, v2.4.4, v2.4.5, v2.4.6, v2.4.7, v2.4.8, v2.4.9, v2.5.0, v2.5.1, v2.5.10, v2.5.11, v2.5.12, v2.5.2, v2.5.3, v2.5.4, v2.5.5, v2.5.6, v2.5.7, v2.5.8, v2.5.9, v2.6.0, v2.6.1, v2.6.10, v2.6.11, v2.6.12, v2.6.13, v2.6.2, v2.6.3, v2.6.4, v2.6.5, v2.6.6, v2.6.7, v2.6.8, v2.6.9, v2.7.0, v2.7.1, v2.7.10, v2.7.11, v2.7.12, v2.7.13, v2.7.14, v2.7.15, v2.7.16, v2.7.17, v2.7.18, v2.7.19, v2.7.2, v2.7.20, v2.7.21, v2.7.22, v2.7.23, v2.7.24, v2.7.25, v2.7.26, v2.7.27, v2.7.28, v2.7.29, v2.7.3, v2.7.30, v2.7.31, v2.7.32, v2.7.33, v2.7.34, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.10, v2.8.11, v2.8.12, v2.8.13, v2.8.14, v2.8.15, v2.8.16, v2.8.17, v2.8.18, v2.8.19, v2.8.2, v2.8.20, v2.8.21, v2.8.22, v2.8.23, v2.8.24, v2.8.25, v2.8.26, v2.8.27, v2.8.3, v2.8.4, v2.8.5, v2.8.6, v2.8.7, v2.8.8, v2.8.9].
    - omnipay/common v2.3.0 requires symfony/http-foundation ~2.1 -> satisfiable by symfony/http-foundation[v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9, v2.2.0, v2.2.1, v2.2.10, v2.2.11, v2.2.2, v2.2.3, v2.2.4, v2.2.5, v2.2.6, v2.2.7, v2.2.8, v2.2.9, v2.3.0, v2.3.1, v2.3.10, v2.3.11, v2.3.12, v2.3.13, v2.3.14, v2.3.15, v2.3.16, v2.3.17, v2.3.18, v2.3.19, v2.3.2, v2.3.20, v2.3.21, v2.3.22, v2.3.23, v2.3.24, v2.3.25, v2.3.26, v2.3.27, v2.3.28, v2.3.29, v2.3.3, v2.3.30, v2.3.31, v2.3.32, v2.3.33, v2.3.34, v2.3.35, v2.3.36, v2.3.37, v2.3.38, v2.3.39, v2.3.4, v2.3.40, v2.3.41, v2.3.42, v2.3.5, v2.3.6, v2.3.7, v2.3.8, v2.3.9, v2.4.0, v2.4.1, v2.4.10, v2.4.2, v2.4.3, v2.4.4, v2.4.5, v2.4.6, v2.4.7, v2.4.8, v2.4.9, v2.5.0, v2.5.1, v2.5.10, v2.5.11, v2.5.12, v2.5.2, v2.5.3, v2.5.4, v2.5.5, v2.5.6, v2.5.7, v2.5.8, v2.5.9, v2.6.0, v2.6.1, v2.6.10, v2.6.11, v2.6.12, v2.6.13, v2.6.2, v2.6.3, v2.6.4, v2.6.5, v2.6.6, v2.6.7, v2.6.8, v2.6.9, v2.7.0, v2.7.1, v2.7.10, v2.7.11, v2.7.12, v2.7.13, v2.7.14, v2.7.15, v2.7.16, v2.7.17, v2.7.18, v2.7.19, v2.7.2, v2.7.20, v2.7.21, v2.7.22, v2.7.23, v2.7.24, v2.7.25, v2.7.26, v2.7.27, v2.7.28, v2.7.29, v2.7.3, v2.7.30, v2.7.31, v2.7.32, v2.7.33, v2.7.34, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.10, v2.8.11, v2.8.12, v2.8.13, v2.8.14, v2.8.15, v2.8.16, v2.8.17, v2.8.18, v2.8.19, v2.8.2, v2.8.20, v2.8.21, v2.8.22, v2.8.23, v2.8.24, v2.8.25, v2.8.26, v2.8.27, v2.8.3, v2.8.4, v2.8.5, v2.8.6, v2.8.7, v2.8.8, v2.8.9].
    - omnipay/common v2.3.1 requires symfony/http-foundation ~2.1 -> satisfiable by symfony/http-foundation[v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9, v2.2.0, v2.2.1, v2.2.10, v2.2.11, v2.2.2, v2.2.3, v2.2.4, v2.2.5, v2.2.6, v2.2.7, v2.2.8, v2.2.9, v2.3.0, v2.3.1, v2.3.10, v2.3.11, v2.3.12, v2.3.13, v2.3.14, v2.3.15, v2.3.16, v2.3.17, v2.3.18, v2.3.19, v2.3.2, v2.3.20, v2.3.21, v2.3.22, v2.3.23, v2.3.24, v2.3.25, v2.3.26, v2.3.27, v2.3.28, v2.3.29, v2.3.3, v2.3.30, v2.3.31, v2.3.32, v2.3.33, v2.3.34, v2.3.35, v2.3.36, v2.3.37, v2.3.38, v2.3.39, v2.3.4, v2.3.40, v2.3.41, v2.3.42, v2.3.5, v2.3.6, v2.3.7, v2.3.8, v2.3.9, v2.4.0, v2.4.1, v2.4.10, v2.4.2, v2.4.3, v2.4.4, v2.4.5, v2.4.6, v2.4.7, v2.4.8, v2.4.9, v2.5.0, v2.5.1, v2.5.10, v2.5.11, v2.5.12, v2.5.2, v2.5.3, v2.5.4, v2.5.5, v2.5.6, v2.5.7, v2.5.8, v2.5.9, v2.6.0, v2.6.1, v2.6.10, v2.6.11, v2.6.12, v2.6.13, v2.6.2, v2.6.3, v2.6.4, v2.6.5, v2.6.6, v2.6.7, v2.6.8, v2.6.9, v2.7.0, v2.7.1, v2.7.10, v2.7.11, v2.7.12, v2.7.13, v2.7.14, v2.7.15, v2.7.16, v2.7.17, v2.7.18, v2.7.19, v2.7.2, v2.7.20, v2.7.21, v2.7.22, v2.7.23, v2.7.24, v2.7.25, v2.7.26, v2.7.27, v2.7.28, v2.7.29, v2.7.3, v2.7.30, v2.7.31, v2.7.32, v2.7.33, v2.7.34, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.10, v2.8.11, v2.8.12, v2.8.13, v2.8.14, v2.8.15, v2.8.16, v2.8.17, v2.8.18, v2.8.19, v2.8.2, v2.8.20, v2.8.21, v2.8.22, v2.8.23, v2.8.24, v2.8.25, v2.8.26, v2.8.27, v2.8.3, v2.8.4, v2.8.5, v2.8.6, v2.8.7, v2.8.8, v2.8.9].
    - omnipay/common v2.3.3 requires symfony/http-foundation ~2.1 -> satisfiable by symfony/http-foundation[v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9, v2.2.0, v2.2.1, v2.2.10, v2.2.11, v2.2.2, v2.2.3, v2.2.4, v2.2.5, v2.2.6, v2.2.7, v2.2.8, v2.2.9, v2.3.0, v2.3.1, v2.3.10, v2.3.11, v2.3.12, v2.3.13, v2.3.14, v2.3.15, v2.3.16, v2.3.17, v2.3.18, v2.3.19, v2.3.2, v2.3.20, v2.3.21, v2.3.22, v2.3.23, v2.3.24, v2.3.25, v2.3.26, v2.3.27, v2.3.28, v2.3.29, v2.3.3, v2.3.30, v2.3.31, v2.3.32, v2.3.33, v2.3.34, v2.3.35, v2.3.36, v2.3.37, v2.3.38, v2.3.39, v2.3.4, v2.3.40, v2.3.41, v2.3.42, v2.3.5, v2.3.6, v2.3.7, v2.3.8, v2.3.9, v2.4.0, v2.4.1, v2.4.10, v2.4.2, v2.4.3, v2.4.4, v2.4.5, v2.4.6, v2.4.7, v2.4.8, v2.4.9, v2.5.0, v2.5.1, v2.5.10, v2.5.11, v2.5.12, v2.5.2, v2.5.3, v2.5.4, v2.5.5, v2.5.6, v2.5.7, v2.5.8, v2.5.9, v2.6.0, v2.6.1, v2.6.10, v2.6.11, v2.6.12, v2.6.13, v2.6.2, v2.6.3, v2.6.4, v2.6.5, v2.6.6, v2.6.7, v2.6.8, v2.6.9, v2.7.0, v2.7.1, v2.7.10, v2.7.11, v2.7.12, v2.7.13, v2.7.14, v2.7.15, v2.7.16, v2.7.17, v2.7.18, v2.7.19, v2.7.2, v2.7.20, v2.7.21, v2.7.22, v2.7.23, v2.7.24, v2.7.25, v2.7.26, v2.7.27, v2.7.28, v2.7.29, v2.7.3, v2.7.30, v2.7.31, v2.7.32, v2.7.33, v2.7.34, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.10, v2.8.11, v2.8.12, v2.8.13, v2.8.14, v2.8.15, v2.8.16, v2.8.17, v2.8.18, v2.8.19, v2.8.2, v2.8.20, v2.8.21, v2.8.22, v2.8.23, v2.8.24, v2.8.25, v2.8.26, v2.8.27, v2.8.3, v2.8.4, v2.8.5, v2.8.6, v2.8.7, v2.8.8, v2.8.9].
    - Can only install one of: symfony/http-foundation[v2.1.0, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.1, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.10, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.11, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.12, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.13, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.2, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.3, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.4, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.5, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.6, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.7, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.8, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.1.9, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.0, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.1, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.10, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.11, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.2, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.3, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.4, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.5, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.6, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.7, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.8, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.2.9, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.0, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.1, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.10, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.11, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.12, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.13, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.14, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.15, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.16, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.17, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.18, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.19, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.2, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.20, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.21, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.22, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.23, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.24, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.25, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.26, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.27, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.28, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.29, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.3, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.30, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.31, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.32, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.33, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.34, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.35, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.36, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.37, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.38, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.39, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.4, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.40, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.41, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.42, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.5, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.6, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.7, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.8, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.3.9, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.0, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.1, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.10, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.2, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.3, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.4, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.5, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.6, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.7, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.8, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.4.9, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.0, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.1, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.10, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.11, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.12, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.2, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.3, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.4, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.5, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.6, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.7, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.8, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.5.9, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.0, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.1, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.10, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.11, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.12, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.13, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.2, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.3, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.4, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.5, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.6, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.7, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.8, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.6.9, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.0, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.1, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.10, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.11, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.12, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.13, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.14, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.15, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.16, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.17, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.18, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.19, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.2, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.20, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.21, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.22, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.23, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.24, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.25, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.26, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.27, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.28, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.29, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.3, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.30, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.31, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.32, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.33, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.34, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.4, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.5, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.6, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.7, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.8, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.7.9, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.0, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.1, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.10, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.11, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.12, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.13, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.14, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.15, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.16, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.17, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.18, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.19, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.2, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.20, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.21, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.22, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.23, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.24, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.25, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.26, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.27, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.3, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.4, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.5, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.6, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.7, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.8, v3.3.9].
    - Can only install one of: symfony/http-foundation[v2.8.9, v3.3.9].
    - Installation request for symfony/http-foundation (locked at v3.3.9) -> satisfiable by symfony/http-foundation[v3.3.9].

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

Any ideas?

[kubili2013]

Me too! Have you solved it?

[isneezy]

I've made a clean installation now and it is not failing, so can you please share your composer.json file?

[Jamesking56]

I had to downgrade symfony-event-dispatcher to get this to install.

[kubili2013]

Update to Laravel 5.5 , is OK!

[andrew-nuwber]

composer require symfony/event-dispatcher:^2.8

works for laravel 5.5

[Jamesking56]

I can't update to 5.5 its a client site and they won't update to PHP 7 😢

[bishoyadel]

use composer require symfony/event-dispatcher:^2.8 and then composer require omnipay/omnipay:~2.0 or your package

[vickymessii]

Having same problem, any suggestion for Laravel 5.6??

[interludic]

5.7 too

[Jamesking56]

5.4 is unsupported so I doubt this will be getting fixed anytime soon https://whichlaravel.me

I did however manage to convince my client to upgrade to 5.5 and I find the normal omnipay packages working well without the need for this package.

[alexw23]

5.7 is supported now.