Is there an easy way to get PRED from NONMEM when objective function instead of error model is specified?

From: Belo Date: September 28, 2019 technical Source: cognigen.com
Hello NONMEM Community, Is there an easy way to get PRED from NONMEM when objective function instead of error model is specified? It is possible to add another set of differential equations where parameters do not have between-subject variability, but it seems cumbersome. Thanks, Pavel