in teamcity-invitations-plugin-server/src/main/java/org/jetbrains/teamcity/invitations/AbstractInvitationType.java [35:43]
public void validate(@NotNull HttpServletRequest request, @NotNull SProject project, @NotNull ActionErrors errors) {
if (StringUtil.isEmptyOrSpaces(request.getParameter("name"))) {
errors.addError(new InvalidProperty("name", "Display name must not be empty"));
}
if (StringUtil.isEmptyOrSpaces(request.getParameter("welcomeText"))) {
errors.addError(new InvalidProperty("welcomeText", "Welcome text must not be empty"));
}
}