Why my Enumlist its not display data?

[Mas_Syahdan_Fil]

hi guys,
i want to ask
why my enumlist not display data from ref table?
this table datauser

and this table pebagiankelompok with ref in enumlist

this my configuration in enum list, in table pembagian kelompok

for field iduser i want to get data from user
but why my data not showing?
thanks