The source node in most cases contains the sample message as written by the developer. If it looks like a dot-delimitted string such as "form.label.firstname", then the developer has not provided a default message.

Please enter a message Please enter a message Please enter a permalink Please enter a permalink Please enter an id Please enter an id Please provide a valid url Please provide a valid url The file should be an image The file should be an image The message is too short|The message is too short The message is too short|The message is too short The password fields must match. The password fields must match. \..\..\..\..\..\C:/wamp64/www/scd_eve/src\Form\PointOfSaleType.php\ \..\..\..\..\..\C:/wamp64/www/scd_eve/src\Form\ScannerType.php\ You must set the default locale at least for the translation fields You must set the default locale at least for the translation fields \..\..\..\..\..\C:/wamp64/www/scd_eve/src\Translation\manual.html.twig\ fos_group.name.already_used The name is already used. fos_user.current_password.invalid The entered password is invalid. fos_user.email.already_used The email is already used. fos_user.email.blank Please enter an email. fos_user.email.invalid The email is not valid. fos_user.email.long The email is too long. fos_user.email.short The email is too short. fos_user.group.blank Please enter a name. fos_user.group.long The name is too long. fos_user.group.short The name is too short. fos_user.new_password.blank Please enter a new password. fos_user.new_password.short The new password is too short. fos_user.password.blank Please enter a password. fos_user.password.mismatch The entered passwords don't match. \..\..\..\..\..\C:/wamp64/www/scd_eve/src\Form\RegistrationType.php\ fos_user.password.short The password is too short. fos_user.username.already_used The username is already used. fos_user.username.blank Please enter a username. fos_user.username.long The username is too long. fos_user.username.short The username is too short.