Your requirements could not be resolved to an installable set of packages. Problem 1 - Conclusion: don't install doctrine/phpcr-bundle 2.3.0 (conflict analysis result) - Conclusion: don't install doctrine/phpcr-bundle 2.4.1 (conflict analysis result) - Conclusion: don't install doctrine/phpcr-bundle 2.5.0 (conflict analysis result) - Conclusion: don't install doctrine/phpcr-odm 1.8.0 (conflict analysis result) - doctrine/phpcr-bundle 1.2.4 requires symfony/framework-bundle ~2.3.27 || ~2.4 || ~2.5.11 || ~2.6.6 || ~2.7 -> satisfiable by symfony/framework-bundle[v2.3.27, ..., v2.8.52]. - doctrine/phpcr-bundle[1.1.0, ..., 1.2.3] require symfony/framework-bundle ~2.3 -> satisfiable by symfony/framework-bundle[v2.3.0, ..., v2.8.52]. - doctrine/phpcr-bundle 1.0.0 requires symfony/framework-bundle ~2.1 -> satisfiable by symfony/framework-bundle[v2.1.0, ..., v2.8.52]. - doctrine/phpcr-odm[1.1.4, ..., 1.2.6] require doctrine/instantiator ~1.0.1 -> satisfiable by doctrine/instantiator[1.0.1, ..., 1.0.5]. - __root__ dev-master conflicts with doctrine/persistence 1.3.8. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.52. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.41. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.40. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.39. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.36. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.28. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.21. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.20. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.17. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.16. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.15. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.7. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.2. - __root__ dev-master conflicts with symfony/framework-bundle v2.8.0. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.51. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.43. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.35. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.28. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.27. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.24. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.23. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.22. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.14. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.9. - __root__ dev-master conflicts with symfony/framework-bundle v2.7.7. - __root__ dev-master conflicts with symfony/framework-bundle v2.6.13. - __root__ dev-master conflicts with symfony/framework-bundle v2.6.5. - __root__ dev-master conflicts with symfony/framework-bundle v2.6.4. - __root__ dev-master conflicts with symfony/framework-bundle v2.6.1. - __root__ dev-master conflicts with symfony/framework-bundle v2.5.12. - __root__ dev-master conflicts with symfony/framework-bundle v2.5.8. - __root__ dev-master conflicts with symfony/framework-bundle v2.4.10. - __root__ dev-master conflicts with symfony/framework-bundle v2.3.42. - __root__ dev-master conflicts with symfony/framework-bundle v2.3.35. - __root__ dev-master conflicts with symfony/framework-bundle v2.3.26. - __root__ dev-master conflicts with symfony/framework-bundle v2.3.25. - __root__ dev-master conflicts with symfony/framework-bundle v2.3.23. - __root__ dev-master conflicts with symfony/framework-bundle v2.2.11. - __root__ dev-master conflicts with symfony/framework-bundle v2.1.13. - __root__ dev-master conflicts with symfony/framework-bundle v

Process completed with exit code 2.

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