Symfony 3 conflict about uap-php

[anhtuank7c]

I have same problem with CakePHP 3.x.

D:\ownCloud\Project\sbd2>composer require ua-parser/uap-php
Using version ^3.4 for ua-parser/uap-php
./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 ua-parser/uap-php v3.4.4
    - Conclusion: don't install ua-parser/uap-php v3.4.3
    - Conclusion: don't install ua-parser/uap-php v3.4.2
    - Conclusion: don't install ua-parser/uap-php v3.4.1
    - Conclusion: remove symfony/yaml v3.0.1
    - Installation request for ua-parser/uap-php ^3.4 -> satisfiable by ua-parse
r/uap-php[v3.4.0, v3.4.1, v3.4.2, v3.4.3, v3.4.4].
    - Conclusion: don't install symfony/yaml v3.0.1
    - ua-parser/uap-php v3.4.0 requires symfony/yaml ~2 -> satisfiable by symfon
y/yaml[2.0.4, 2.0.5, 2.0.6, 2.0.7, v2.0.10, v2.0.12, v2.0.13, v2.0.14, v2.0.15,
v2.0.16, v2.0.17, v2.0.18, v2.0.19, v2.0.20, v2.0.21, v2.0.22, v2.0.23, v2.0.24,
 v2.0.25, v2.0.9, 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, v
2.2.11, 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, v2.3.4, 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, v
2.5.6, v2.5.7, v2.5.8, v2.5.9, v2.6.0, v2.6.1, v2.6.10, v2.6.11, v2.6.12, v2.6.2
, 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, v2.7.2
, v2.7.3, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.8.0, v2.8.1].
    - Can only install one of: symfony/yaml[v2.8.0, v3.0.1].
    - Can only install one of: symfony/yaml[v2.8.1, v3.0.1].
    - Can only install one of: symfony/yaml[2.0.4, v3.0.1].
    - Can only install one of: symfony/yaml[2.0.5, v3.0.1].
    - Can only install one of: symfony/yaml[2.0.6, v3.0.1].
    - Can only install one of: symfony/yaml[2.0.7, v3.0.1].
    - Can only install one of: symfony/yaml[v2.0.10, v3.0.1].
    - Can only install one of: symfony/yaml[v2.0.12, v3.0.1].
    - Can only install one of: symfony/yaml[v2.6.2, v3.0.1].
    - Can only install one of: symfony/yaml[v2.6.3, v3.0.1].
    - Can only install one of: symfony/yaml[v2.6.4, v3.0.1].
    - Can only install one of: symfony/yaml[v2.6.5, v3.0.1].
    - Can only install one of: symfony/yaml[v2.6.6, v3.0.1].
    - Can only install one of: symfony/yaml[v2.6.7, v3.0.1].
    - Can only install one of: symfony/yaml[v2.6.8, v3.0.1].
    - Can only install one of: symfony/yaml[v2.6.9, v3.0.1].
    - Can only install one of: symfony/yaml[v2.7.0, v3.0.1].
    - Can only install one of: symfony/yaml[v2.7.1, v3.0.1].
    - Can only install one of: symfony/yaml[v2.7.2, v3.0.1].
    - Can only install one of: symfony/yaml[v2.7.3, v3.0.1].
    - Can only install one of: symfony/yaml[v2.7.4, v3.0.1].
    - Can only install one of: symfony/yaml[v2.7.5, v3.0.1].
    - Can only install one of: symfony/yaml[v2.7.6, v3.0.1].
    - Can only install one of: symfony/yaml[v2.7.7, v3.0.1].
    - Can only install one of: symfony/yaml[v2.7.8, v3.0.1].
    - Installation request for symfony/yaml == 3.0.1.0 -> satisfiable by symfony
/yaml[v3.0.1].


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

[lstrojny]

This is fixed in the latest release

[iagomelanias]

Thanks.