Element selection gets more complicated only for function SYSMODs that are being reinstalled and have elements that intersect with corresponding elements having the same FMID as themselves (see FMIDs match: MODID verification). The processing for this situation proceeds as in FMIDs match: MODID verification. When a MODID check error condition is detected, however, SMP/E checks further to determine whether the service level of the target system element is higher than that of the element from the SYSMOD being reinstalled. If so, the element from the SYSMOD being reinstalled is not selected, and processing of the SYSMOD continues. If not, the SYSMOD is terminated with a MODID check error.