symfony - @UniqueEntity does not work for me with a simple string property -

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i have "company" entity 3 fields : id, name , slug. name unique.

when attempt create new company name used following error : 

an exception occurred while executing 'insert companies (name, slug) values (?, ?)' params ["test", "test-1"]:  sqlstate[23000]: integrity constraint violation: 1062 duplicate entry 'test' key 'uniq_8244aa3a5e237e06'

i don't know why, @uniqueentity not show error message. tried put line : @uniqueentity(fields={"name"}, groups={"company"})

here code of class :

<?php namespace project\userbundle\entity;  use symfony\component\validator\constraints assert; use doctrine\common\collections\arraycollection; use gedmo\mapping\annotation gedmo; use doctrine\orm\mapping orm; use symfony\bridge\doctrine\validator\constraints\uniqueentity;  /**  * company  *  * @orm\table(name="companies")  * @uniqueentity(fields={"name"}, message="form.error.name.unique")  * @orm\entity  */ class company {     /**      * @var integer      *      * @orm\column(name="id", type="integer")      * @orm\id      * @orm\generatedvalue(strategy="auto")      */     private $id;      /**      * @orm\column(type="string", length=50, unique=true)      * @assert\notblank(message="form.error.name.not_blank");      * @assert\length(min="4", max="50", minmessage="form.error.name.length.min {{ limit }}", maxmessage="form.error.name.length.max {{ limit }}");      */     private $name;      /**      * @var string      *      * @orm\column(length=170, unique=true)      * @gedmo\slug(fields={"name"})      */     private $slug;      /**      * @orm\onetomany(targetentity="project\userbundle\entity\user", mappedby="company")      * @assert\valid      */     private $users; }

thanks.

could test 3 possibilities , try default message? (but seems tried third one. maybe luck others) (btw, can not set groups option in uniqueentity annotation)

/**  * user  *  * @uniqueentity("name")  * @uniqueentity(fields="name")  * @uniqueentity(fields={"name"})  */ class user {      /**      * @var string      *      * @orm\column(name="name", type="string", unique=true)      *      * @assert\notblank      */     private $name; }

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