Update language terms

Author: ywarnier

main/lang/english/trad4all.inc.php

@@ -126,7 +126,7 @@
 $CountryDialCode = "Include the country dial code";
 $FieldTypeMobilePhoneNumber = "Mobile phone number";
 $CheckUniqueEmail = "Check unique e-mail";
-$EmailUsedTwice = "This email is not available";
+$EmailUsedTwice = "This email is already in use on the platform.";
 $TotalPostsInAllForums = "Total posts in all forums.";
 $AddMeAsCoach = "Add me as coach";
 $AddMeAsTeacherInCourses = "Add me as teacher in the imported courses.";
@@ -9033,4 +9033,5 @@
 $ShowCareersHierarchy = "Show hierarchies";
 $ParentCareer = "Parent career";
 $CareerCannotBeDeletedAsItHasChildren = "This career cannot be deleted until all of its children have been deleted or moved to another career.";
+$EmailUsedTwiceInImportFile = "This email is already in use by another user in the same file.";
 ?>

main/lang/french/trad4all.inc.php

@@ -8967,4 +8967,5 @@
 $ShowCareersHierarchy = "Montrer les hiérarchies";
 $ParentCareer = "Filière parente";
 $CareerCannotBeDeletedAsItHasChildren = "Cette filière ne peut pas être supprimée tant que tous ses enfants n'ont pas été supprimés ou déplacés vers une autre filière.";
+$EmailUsedTwiceInImportFile = "Ce courriel est déjà utilisé par un autre utilisateur du même fichier.";
 ?>

main/lang/spanish/trad4all.inc.php

@@ -9058,4 +9058,5 @@
 $ShowCareersHierarchy = "Mostrar jerarquías";
 $ParentCareer = "Carrera padre";
 $CareerCannotBeDeletedAsItHasChildren = "Esta carrera no puede ser eliminada hasta que las carreras hijas a ésta sean eliminadas o movidas a otra carrera.";
+$EmailUsedTwiceInImportFile = "Este correo electrónico ya está usado por otro usuario en el mismo archivo.";
 ?>