Oracle Error Message
ORA-28672: UPDATE BLOCK REFERENCES may not be used on a global index
Reason for the Error
User attempted to UPDATE BLOCK REFERENCES on a global partitioned or non-partitioned index. This feature is not supported for non-partitioned or global partitioned index on a partitioned IOT and a global partitioned index on a non-partitioned IOT.
Solution
Use online index [partition] rebuild to fix the block references