sonata-project/SonataAdminBundle — pull request #2345 by pulzarraider (2014-08-23 18:14:09+00:00)
Title: Improved ListMapper error handling.

| Q | A
| ------------- | ---
| Bug fix? | no
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | -
| License | MIT
| Doc PR | symfony/symfony-docs#123

Some minor improvements, that can help solving commom problem with duplicate field in listmapper.