The most common cause for this error in PROC MIANALYZE is that the CLASSVAR= suboption of the PARMS= option has not been properly assigned. See the table below for a listing of each of the CLASSVAR= values and the corresponding procedures.

CLASSVAR=	Valid Procedures
FULL	GLIMMIX MIXED
LEVEL	GENMOD LIFEREG PROBIT QUANTREG ROBUSTREG
CLASSVAL	LOGISTIC PHREG SURVEYLOGISTIC