Error message with PROC MIANALYZE after PROC mixed procedure

[zjppdozen]

Hi all,

I obtained an error message "Within-imputation Estimate missing for effect PGS_MEGALGC_APP_APOE*TIME in _Imputation_= 1 in the inputPARMS= data set" when I run the following code:

PROC MIXED DATA = IMP_IMM_LONG METHOD = RMEL;
CLASS DBID FAMILY TIME(REF="2") GENDER;
MODEL CS_IMM_LRN = PGS_MEGALGC_APP_APOE PGS_MEGALGC_APP_APOE*TIME AGEATVISIT TIME GENDER EDYEARS_CODED_MAX20 PC1 PC2 PC3 PC4 PC5 / CHISQ S DDFM = BW;
RANDOM INTERCEPT   / TYPE = UN SUBJECT = FAMILY G;
REPEATED TIME / TYPE = CS SUBJECT = DBID(FAMILY) R;
BY _IMPUTATION_;
ODS OUTPUT SOLUTIONF = APP_IMM_BETA;
RUN;


PROC MIANALYZE PARMS(CLASSVAR=FULL) = APP_IMM_BETA;
CLASS TIME GENDER;
MODELEFFECTS PGS_MEGALGC_APP_APOE PGS_MEGALGC_APP_APOE*TIME AGEATVISIT TIME GENDER EDYEARS_CODED_MAX20 PC1 PC2 PC3 PC4 PC5;
RUN;

This error appears after SAS executed the PROC MIANALYZE procedure.

The parms data set I used for the PROC MIANALIZE procedure looks like this:

What should I do to avoid this error message? Any help is appreaciated!

[zjppdozen · Accepted solution]

I realized the problem was my variable name is too long. After I change the name to a shorter one, the error message disappear.