B-tree node at logical dbkey <num>:<num>:<num> not at correct level. Expected level <num>, found <num>. Explanation: The "next b-tree node" of a b-tree node is not at the correct level in the node's b-tree structure. Both nodes should be at the same level. User Action: Try correcting the error with the RMU Restore command or the SQL IMPORT statement. Follow-up with another verification of the database.