INDIRECT function doesn't work with range reference

INDIRECT function doesn't work with range reference

This formula returns correct results:

=DSUM(Bank.A4:H249;"amt";$K$6:$L$7)

This formula

 =DSUM(INDIRECT(L1);"amt";$K$6:$L$7)

with Bank.A4:H249 in Cell L1 returns #VALUE!