**Symfony version(s) affected**: ~3.4 ... ~5.0 **Description** I made a mistake in my form with the name of `input password` **How to reproduce** ```html <form> <label for="username">Username</label> <input id="username" name="_username" type="type" /> <label for="password">Password</label> <input id="password" name="password" type="password" /> </form> ``` **Possible Solution** https://github.com/symfony/symfony/pull/36925