![Form] Choice loader is not validated against unknown choice(s) · Issue #23679 · symfony/symfony · GitHub Form] Choice loader is not validated against unknown choice(s) · Issue #23679 · symfony/symfony · GitHub](https://user-images.githubusercontent.com/1047696/28618857-3832d720-7206-11e7-8904-46061409ff62.png)
Form] Choice loader is not validated against unknown choice(s) · Issue #23679 · symfony/symfony · GitHub
![symfony - symfony3 - Showing 'This value is not valid' for choice type of dropdown that options adding via ajax - Stack Overflow symfony - symfony3 - Showing 'This value is not valid' for choice type of dropdown that options adding via ajax - Stack Overflow](https://i.stack.imgur.com/q8fXh.png)
symfony - symfony3 - Showing 'This value is not valid' for choice type of dropdown that options adding via ajax - Stack Overflow
![php - Symfony 4.2 Form ChoiceType Expanded Multiple can not populate check boxes from database and save changes - Stack Overflow php - Symfony 4.2 Form ChoiceType Expanded Multiple can not populate check boxes from database and save changes - Stack Overflow](https://i.stack.imgur.com/TnpnW.png)
php - Symfony 4.2 Form ChoiceType Expanded Multiple can not populate check boxes from database and save changes - Stack Overflow
![Form] choice prefix option doesn't work on ChoiceType object with expanded to true · Issue #27673 · symfony/symfony · GitHub Form] choice prefix option doesn't work on ChoiceType object with expanded to true · Issue #27673 · symfony/symfony · GitHub](https://user-images.githubusercontent.com/40465462/41721785-285a5dfe-7567-11e8-882a-6e8bf1e6a4f9.png)