TREE_ERROR_CANNOT_CREATE_FOLDER = -11
TREE_ERROR_DB_ERROR = -9
TREE_ERROR_ELEMENT_NOT_FOUND = -2
TREE_ERROR_EMPTY_PATH = -7
TREE_ERROR_INVALID_NODE_NAME = -3
TREE_ERROR_INVALID_PARENT = -6
TREE_ERROR_INVALID_PATH = -8
TREE_ERROR_MOVE_TO_CHILDREN = -4
TREE_ERROR_NOT_IMPLEMENTED = -1
TREE_ERROR_PARENT_ID_MISSED = -5
TREE_ERROR_PATH_SEPARATOR_EMPTY = -10
TREE_ERROR_UNKNOW_ERROR = -99