ORA-18512
The attribute value (string) for added dimension row "string" cannot be implicitly converted to data type "string" for attribute "string".
Cause
The attribute values for a dimension row do not have a data type that can be implicitly converted to the data type of the corresponding attribute.
Action
Ensure that each attribute value in each added row has a data type that can be implicitly converted to the data type of the corresponding attribute.