Message Oracle ORA-36223 - (XSLPDSC04) object workspace object in IGNORE or DENSE list has illegal type

ERROR(XSLPDSC04) object workspace object in IGNORE or DENSE list has illegal type
CAUSEAn IGNORE or DENSE list in a dimension loop descriptor included and object that was not a dimension or a valueset, was a conjoint dimension, or was a dimensioned valueset.
ACTIONOnly use simple dimensions and undimensioned valuesets in the IGNORE or DENSE list.