import org.asamk.signal.manager.Manager;
import org.asamk.signal.manager.api.Message;
import org.asamk.signal.manager.api.RecipientIdentifier;
+import org.asamk.signal.manager.api.UnregisteredRecipientException;
import org.asamk.signal.manager.groups.GroupNotFoundException;
import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
import org.asamk.signal.manager.groups.NotAGroupMemberException;
.getSimpleName() + ")", e);
} catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
throw new UserErrorException(e.getMessage());
+ } catch (UnregisteredRecipientException e) {
+ throw new UserErrorException("The user " + e.getSender().getIdentifier() + " is not registered.");
}
}