Module error_messages 

Error messages for node pool operations

Constants

CANNOT_REMOVE_ROOT

CHILD_NOT_FOUND

CYCLIC_REFERENCE

DUPLICATE_NODE

EMPTY_POOL

INVALID_NODE_ID

INVALID_NODE_MOVE

INVALID_PARENTING

NODE_DELETED

NODE_LOCKED

NODE_NOT_FOUND

ORPHAN_NODE

PARENT_NOT_FOUND