sql - Incorrect syntax near '.'. While Update a variable table -

i have issue while updating table variable. i've declared it, when run whole query error:

incorrect syntax near '.'.

and can't seem solve issue...

update @list  set nrid = case                when nrid null                   t1.nrid                   else nrid             end  @list  inner join table1 t1 on @list.pnr = t1.pnr inner join table2 t2 on t1.n nrpnr = t2.nrpnr t1.pnr = t2.pnr , t2.isactive = 0 

update list  set list.nrid = t1.nrid @list list inner join table1 t1 on list.nrid = t1.nrid inner join table2 t2 on t1.nrid = t2.nrid t1.nrid = t2.nrid , t2.isactive = 0 

as mentioned in comments inner join remove nulls in case