Oracle Error Message
ORA-36670: (XSDPART08) workspace object is an INTEGER or NTEXT dimension, or contains an INTEGER or NTEXT dimension. INTEGER and NTEXT dimensions cannot be used as partition dimensions.
Reason for the Error
User attempted to define a partition template partitioned by an INTEGER or NTEXT dimension or a concat containing an NTEXT leaf.
Solution
Either pick a different partition dimension, or redefine the dimension to use a different datatype.