1: the check of non constant type has a wrong message, it compares with root, not parent section
2: the remove zero lenght should have a hidden warning if it does it, and a strong warning if it removes a root section, as the whole tree will be removed. It removes if only one point is left.
1: the check of non constant type has a wrong message, it compares with root, not parent section 2: the remove zero lenght should have a hidden warning if it does it, and a strong warning if it removes a root section, as the whole tree will be removed. It removes if only one point is left.