Message Oracle ORA-36635 - (XSDUNION03) The base dimension workspace object has an invalid datatype for use in a UNIQUE concat definition.

ERROR	(XSDUNION03) The base dimension workspace object has an invalid datatype for use in a UNIQUE concat definition.
CAUSE	Base dimensions of a unique concat must have TEXT or ID datatypes.
ACTION	Specify a valid list of dimensions when defining a unique concat dimension.